《带括号的混合运算》基础练习
二年级带括号的混合运算题
二年级带括号的混合运算题
一、带括号的混合运算知识点回顾
1. 在混合运算中，如果有括号，要先算括号里面的，再算括号外面的。
2. 运算顺序：先乘除后加减，如果有多层括号，先算小括号里面的，再算中括号里面的（二年级一般只涉及小括号）。
二、题目示例及解析
1. 题目：公式
解析：
根据运算顺序，先计算括号内的加法，公式。
然后，再计算括号外的乘法，公式。
2. 题目：公式
解析：
先算括号里的减法，公式。
再算括号外的乘法，公式。
3. 题目：公式
解析：
先计算括号内的加法，公式。
再计算括号外的除法，公式。
4. 题目：公式
解析：
先算括号内的运算，按照从左到右的顺序，公式，公式。
再算括号外的乘法，公式。
5. 题目：公式
解析：
先算括号内的乘法，公式。
再算括号内的减法，公式。
最后算括号外的加法，公式。
三、更多练习题目
1. 公式
2. 公式
3. 公式
4. 公式
5. 公式。
小学二年级数学,有小括号的加减乘除混合运算练习
小学二年级数学,有小括号的加减乘除混合运算练习61-55)×6=3619-13)×6=3667-11)÷8=777-65)÷4=358-50)×7=5671-68)×2=663-33)÷5=61+1)×2=433-25)×5=4052-50)×7=1424-17)×4=2851-11)÷8=526-2)÷6=41+2)×6=1820-8)÷6=275-71)×4=1610-2)×4=3236-31)×6=30 33-27)×7=42 71-41)÷6=5 25-24)÷1=1 46-38)×1=8 26-8)÷3=6 44-39)×1=5 40-36)×6=24 54-47)×3=21 20-12)×4=32 78-75)×2=6 53-46)×5=35 43-41)×4=8 75-68)×8=56 57-56)×8=8 61+3)÷8=8 43-39)÷2=2 11-5)×3=18 14+4)÷3=6 50-42)×2=1666-59)×6=42 75-71)×6=24 24-14)÷2=5 5-2)÷3=164-44)÷4=5 63-15)÷8=6 40-12)÷4=7 51-43)×5=40 15-9)×1=6 28-20)×1=8 64-56)×5=40 63-60)×4=12 4+1)×8=40 48-41)×2=14 56-50)×7=42 50-43)×4=28 27-22)÷5=1 57-53)÷2=2 12-3)÷3=3 4+2)×2=1241-36)÷5=1 11-7)÷2=2 28-25)×3=9 29-23)×7=42 4+4)×4=32 4+3)×4=28 60-56)÷2=2 29-22)×2=14 16-15)×8=8 58-54)×3=12 19-16)÷1=3 70-66)×3=12 76-74)÷2=1 55-50)×8=40 30-26)÷2=2 77-35)÷7=6 28-22)÷6=1 15-7)×2=16 40-28)÷2=6 76-68)÷1=819-18)×6=6 77-75)×4=8 70-63)×4=28 33-21)÷4=3 24-17)÷1=7 26-22)×8=32 17-2)÷3=5 32-30)÷2=1 19-16)×5=15 2+5)×4=28 40-26)÷2=7 46-44)×2=4 76-73)×2=6 19-5)÷2=7 47-42)×7=35 21-14)×8=56 22-17)×6=30 67-64)×3=9 53-17)÷6=6 58-53)×5=2558-33)÷5=5 22-19)÷3=1 21-15)×8=48 71-59)÷4=3 5+1)÷1=64+2)×8=48 39-15)÷4=6 68-63)×4=20 18-4)÷7=2 28-4)÷6=4 44-30)÷7=2 68-60)×7=56 57-33)÷8=3 35-28)×7=49 59-52)×8=56 68-64)÷4=1 24-4)÷4=5 26-11)÷3=5 47-39)×8=64 7-5)×1=216-10)×5=30 64-60)×7=28 51-19)÷4=8 13-5)×8=64 3+2)×7=35 80-68)÷3=4 69-65)×7=28 1+1)×7=14 68-56)÷3=4 33-21)÷3=4 75-71)÷1=4 18-15)×6=18 35-30)×3=15 29-24)×1=5 64-55)÷3=3 55-39)÷8=2 60-24)÷6=6 33-25)÷4=2 76-71)÷5=1 61-37)÷4=666-65)×3=3 32-28)×2=8 70-28)÷7=6 27-21)×1=6 77-71)×1=6 71-69)×2=4 57-22)÷7=5 52-38)÷2=7 7-1)÷3=229-26)×4=12 36-24)÷3=4 57-52)×1=5 68-66)×1=2 67-59)×7=56 16-10)÷2=3 3+3)×4=24 74-69)×3=15 64-56)×8=64 36-31)÷5=1 75-63)÷3=421+3)÷3=8 35-33)×2=4 60-20)÷8=5 10-4)×4=24 62-59)×8=24 53-45)×3=24 7-5)×3=66+1)×1=7 37-17)÷5=4 37-21)÷2=8 61-54)÷7=1 27-11)÷2=8 20-18)÷1=2 25-18)×5=35 37-23)÷7=2 58-53)÷1=5 63-55)×4=32 63-56)×3=21 69-64)×6=30 58-52)×6=3631-25)×7=42 43-27)÷8=2 29-24)÷1=5 68-65)×4=12 79-78)×6=6 47+1)÷6=8 59-53)÷2=3 36-26)÷5=2 59-45)÷2=7 52-20)÷4=8 51-46)×3=15 60-48)÷3=4 48-18)÷5=6 61-52)÷3=3 45-44)×4=4 72-69)×3=9 76-74)×7=14 72-52)÷5=4 59-35)÷4=6 80-78)÷1=247-42)×7=35 68-64)×3=12 60-30)÷5=6 73-68)×8=40 55-53)×5=10 75-40)÷5=7 8-0)÷2=414-7)×6=42 13-11)×6=12 41-33)×4=32 29-28)×8=8 68-63)×3=15 56-49)×8=56 29-28)×4=4 20-13)÷1=7 37-27)÷5=2 61-49)÷3=4 26-21)÷1=5 76-48)÷7=4 23-17)×2=1261-55)×4=24 58-30)÷4=7 74-70)×5=20 64-50)÷7=2 41-31)÷5=2 27-21)÷2=3 54-53)×1=1 70-69)×1=1 5+2)×8=56 67-62)×6=30 57-56)÷1=1 5+1)×4=24 40-38)×4=8 55-39)÷2=8 47-33)÷2=7 24-21)×2=6 48-24)÷6=4 53-46)×5=35 51-48)×6=18 70-61)÷3=345-43)×2=4 63-58)÷1=5 79-73)÷3=2 74-66)×6=48 59-58)×7=7 38-30)×1=8 48-44)×1=4 52-45)×6=42 65-57)÷2=4 43-41)×6=12 49-44)×6=30 5+2)÷1=7 47-41)×4=24 52+4)÷7=8 78-73)×3=15 10-5)×1=5 66-61)×8=40 16-0)÷8=2 78-54)÷8=3 76-75)×4=426-19)÷7=1 77-73)×4=16 54+2)÷8=7 9-3)×6=36 28-21)×3=21 76-74)×8=16 66-64)×6=12 38+4)÷6=7 52-45)×8=56 52-12)÷5=8 58-57)×3=3 59-54)÷1=5 77-75)×8=16 44-40)÷4=1 23-15)×7=56 61-26)÷7=6 48-27)÷3=7 51-47)×2=8 54-48)×8=48 26-22)÷4=157-43)÷2=7改写后的文章：下面是一些简单的数学题目，需要用到基本的数学运算。
四则混合算式练习题带括号的小数四则混合运算
四则混合算式练习题带括号的小数四则混合运算计算是数学学科中重要的一部分，混合运算是其中的基础内容之一。
在混合运算中，我们会使用加法、减法、乘法和除法等运算符号来计算数值。
而带括号的混合运算则需要我们先计算括号内的运算，再进行整体的计算。
在本文中，我们将介绍一些带括号的小数四则混合算式练习题，通过解答这些题目，加深对混合运算的理解和运用能力。
1. 计算以下带括号的混合算式：(1.5 + 2.3) × 1.2 - 0.8 ÷ 0.2解答：首先，我们先计算括号内的运算：1.5 +2.3 =3.8接下来，根据运算符的优先级，进行乘法和除法的计算：3.8 × 1.2 =4.560.8 ÷ 0.2 = 4最后，根据运算符的优先级，进行加法和减法的计算：4.56 - 4 = 0.56综上所述，带括号的混合算式 (1.5 + 2.3) × 1.2 - 0.8 ÷ 0.2 的结果为0.56。
2. 计算以下带括号的混合算式：2.5 × (1.6 - 0.7) + 0.9 ÷ 0.3解答：首先，我们先计算括号内的运算：1.6 - 0.7 = 0.9接下来，根据运算符的优先级，进行乘法和除法的计算：2.5 × 0.9 = 2.250.9 ÷ 0.3 = 3最后，根据运算符的优先级，进行加法和减法的计算：2.25 + 3 = 5.25综上所述，带括号的混合算式 2.5 × (1.6 - 0.7) + 0.9 ÷ 0.3 的结果为5.25。
3. 计算以下带括号的混合算式：4.8 ÷ (2.5 + 0.5) - 1.2 × 0.6解答：首先，我们先计算括号内的运算：2.5 + 0.5 = 3接下来，根据运算符的优先级，进行乘法和除法的计算：4.8 ÷ 3 = 1.61.2 × 0.6 = 0.72最后，根据运算符的优先级，进行加法和减法的计算：1.6 - 0.72 = 0.88综上所述，带括号的混合算式 4.8 ÷ (2.5 + 0.5) - 1.2 × 0.6 的结果为0.88。
小学五年级数学加减混合运算练习题(带括号)
小学五年级数学加减混合运算练习题（带括号）解决数学问题是小学生学习数学的重要部分。
在小学五年级，数学加减混合运算是一个关键的概念，因此，为了帮助学生提高他们的计算能力，以下是一些包含括号的数学加减混合运算练习题。
1. (23 + 15) - 8 = ?2. 12 - (5 + 3) = ?3. 18 + (7 - 2) = ?4. (9 - 4) + 15 = ?5. 27 - (9 - 3) = ?6. (40 - 15) + 8 = ?7. 35 + (22 - 14) = ?8. (27 + 13) - 11 = ?9. 45 - (8 + 12) = ?10. (30 - 18) + 5 = ?在解决这些练习题时，学生需要记住以下步骤：步骤一：首先计算括号内的运算。
括号内的计算是优先级最高的。
步骤二：计算括号外的运算。
当没有括号时，按照从左到右的顺序计算加法和减法运算。
步骤三：根据所给的运算符进行计算，得出最后的结果。
通过使用这个步骤，学生可以在解决这些练习题时保持正确的顺序和逻辑性。
这不仅有助于提高他们的计算能力，还能培养他们的逻辑思维和解决问题的能力。
例如，对于第一道题目：(23 + 15) - 8 = ?首先，我们计算括号内的运算：23 + 15 = 38。
然后，我们计算括号外的运算：38 - 8 = 30。
所以，答案是30。
同样，对于其他的练习题，学生可以按照上述步骤进行计算，得出正确的答案。
这些练习题旨在帮助学生掌握加减混合运算中括号的使用，并提高他们的计算能力。
通过进行这些练习，小学五年级的学生将能够应用所学的数学知识来解决实际问题。
这将为他们今后在数学学习中打下坚实的基础，并培养他们的创造力和解决问题的能力。
因此，进行数学加减混合运算练习对于小学五年级的学生是非常重要的。
带有括号的练习题可以帮助他们理解括号在运算中的作用，并提高他们的计算能力。
通过不断练习，他们将变得更加熟练，并能在解决实际问题时运用这些知识。
第五单元 带有小括号的混合运算1 (同步练习)- 二年级下册数学人教版
带有小括号的混合运算（一）一、填一填。
1、算式里有括号的，要先算（）的。
2、计算8×（24－15）时，要先算（）法，再算（）法，得到的结果是（）。
3、计算（17＋10）÷3是，要先算（）法，再算（）法，得到的结果是（）。
4、把67－27＝40,40÷5＝8写成一个综合算式是（）。
5、甲数是24，乙数是32，两个数的和除以两个数的差，商是（）。
6、从63里面连续减9，减（）次后的数是0，减（）次后的数是18。
二、选一选。
1、（83－27）÷8＝（）。
①7 ②8 ③92、下面算式中，得数与另外两个算式不同的是（）。
①87－45－28 ②87－（45－18）③87－（45＋18）3、下面算式中，（）要想先算除法必须加上小括号。
①35÷5＋29 ②36÷9×5 ③9×8÷6三、算一算。
1、脱式计算。
54÷6×8 83－（64－8）（78－42）÷483－64＋8 98－36－27 98－（36＋27）我发现：一个数连续减去两个数，也可以用这个数连续减去两个数的（ ），得数（ ）。
2、 根据表格列出算式，并计算。
（1）（2）四、 解决问题。
1、 （1）（2） 被减数 45＋39 8×9 减数 56 43 被除数 25＋17 56 除数 6 16－93元/支 56元？元 3千克（5元/千克）43元2、琳琳有50元钱，去超市买东西，先买了一个小蛋糕。
（1）买了一个小蛋糕后，还剩下多少元钱？23元 3元/千克（2）剩下的钱可以买多少千克梨？参考答案一、1、括号里面2、减乘723、加除94、（67－27）÷5＝85、76、7 5二、①②③三、1、72 27 8 27 35 35 和不变2、（1）（45＋39）－56＝28 8×9－43＝29（2）（25＋17）÷6＝7 56÷（16－9）8四、1、（1）3×4＋56＝68（元）（2）43－3×5＝282、（1）50－23＝27元（2）27÷3＝9（千克）。
带括号的加减乘除混合运算口算题练习题
练习范围：带括号的混合运算题数：100月日姓名: 分秒成绩:44 + (79 - 59) = (30 - 25) ÷ 1 = (12 - 4) ÷ 4 = 92 - (44 + 27) = 56 ÷ (21 ÷ 3) = 17 + (22 + 19) = 24 ÷ (9 ÷ 3) = 64 ÷ (64 ÷ 8) = 24 + (32 + 7) = (8 - 4) ÷ 4 = 16 ÷ (24 ÷ 6) = 91 - (40 + 48) = 44 + (15 + 26) = 30 + (69 - 68) = (28 - 20) ÷ 4 = 5 × (24 ÷ 4) = 31 + (34 + 23) = (20 - 16) ÷ 1 = 57 - (51 - 29) = 99 - (49 + 27) = (16 - 8) ÷ 4 = 13 + (10 + 43) = 4 × (28 ÷ 7) = (40 - 32) ÷ 8 = 11 + (27 + 59) = (2 + 2) ÷ 2 = 10 ÷ (1 × 2) = 36 ÷ (1 × 9) = 6 × (72 ÷ 8) = 21 ÷ (1 × 3) = 9 ÷ (5 - 2) = 8 × (2 × 3) = 70 - (47 + 20) = 6 × (48 ÷ 6) = (15 - 6) ÷ 3 = 4 ÷ (7 - 5) = (15 - 10) ÷ 5 = (45 - 36) ÷ 9 = 26 + (48 + 9) = 8 ÷ (1 + 3) = (6 + 2) ÷ 2 = 95 - (37 + 15) = 2 × (3 × 3) = (63 - 56) ÷ 7 = 24 + (70 + 1) =7 × (18 ÷ 6) = 5 × (6 ÷ 2) = 14 ÷ (1 × 7) = 16 ÷ (1 × 8) = 58 - (24 + 28) = (24 - 15) ÷ 3 = (45 - 36) ÷ 1 = (12 - 9) ÷ 1 = (6 - 4) ÷ 2 =12 ÷ (3 × 2) = (27 - 18) ÷ 1 = 8 ÷ (1 × 2) =15 ÷ (10 ÷ 2) = 12 ÷ (1 × 2) = 36 ÷ (1 × 4) = 24 + (64 + 6) = 81 ÷ (27 ÷ 3) = (28 - 24) ÷ 4 = 18 + (26 + 43) = 6 × (28 ÷ 7) = 14 + (29 + 27) = 8 ÷ (8 - 4) = 81 - (35 - 15) = 7 × (72 ÷ 9) = 22 - (98 - 79) = 3 × (2 × 3) = 92 - (60 + 14) = 6 ÷ (7 - 4) = 6 × (48 ÷ 8) = (4 + 2) ÷ 2 =22 + (100 - 45) = (24 - 18) ÷ 2 = 100 - (30 + 37) = 45 ÷ (35 ÷ 7) = 8 ÷ (9 - 5) = 49 ÷ (28 ÷ 4) = 9 × (2 × 1) = 6 ÷ (2 + 1) = 65 + (92 - 89) = 22 - (94 - 94) = 6 ÷ (6 - 4) = 24 + (17 + 16) = 32 ÷ (1 × 4) = 6 ÷ (8 - 5) = 22 + (23 + 30) = (2 + 6) ÷ 4 = 2 × (21 ÷ 3) = 57 - (75 - 62) = (6 + 2) ÷ 4 = 71 - (71 - 12) = (30 - 24) ÷ 6 = 8 × (28 ÷ 4) = 48 - (83 - 53) = 8 ÷ (6 - 2) =(3 + 3) ÷ 3 =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:(12 - 9) ÷ 3 = 32 ÷ (16 ÷ 2) = 27 ÷ (18 ÷ 2) = 32 ÷ (12 ÷ 3) = 24 + (46 + 6) = (18 - 12) ÷ 2 = 24 ÷ (9 ÷ 3) = 24 + (32 + 7) = (21 - 15) ÷ 3 = (28 - 24) ÷ 4 = 66 - (25 + 20) = 31 + (64 + 1) = 6 ÷ (3 ÷ 3) = 100 - (40 + 42) = 7 × (3 × 1) = 57 - (75 - 62) = 79 - (31 + 44) = 8 ÷ (1 + 1) = 24 ÷ (2 × 2) = 8 ÷ (4 × 2) = (4 + 4) ÷ 4 = 6 ÷ (6 - 4) = 34 + (64 - 62) = 6 × (48 ÷ 8) = 62 - (58 - 38) = 5 × (28 ÷ 7) = 63 ÷ (3 × 3) = 95 - (26 + 24) = 5 × (6 ÷ 2) = (8 - 4) ÷ 4 = 40 ÷ (35 ÷ 7) = 16 ÷ (1 × 4) = 2 × (21 ÷ 3) = 7 × (2 × 3) = 81 ÷ (27 ÷ 3) = 56 ÷ (1 × 7) = 15 + (2 + 76) = 73 - (30 + 11) = 18 ÷ (30 ÷ 5) = 15 + (11 + 60) = 24 + (64 + 6) = (27 - 21) ÷ 2 = 9 ÷ (7 - 4) =21 ÷ (42 ÷ 6) =14 ÷ (1 × 7) =2 × (3 × 2) = 21 ÷ (1 × 7) = 81 + (74 - 74) = 90 + (59 - 57) = 28 ÷ (8 ÷ 2) = 99 - (57 - 23) = 6 ÷ (2 + 1) = 36 ÷ (1 × 4) = (6 + 2) ÷ 2 = (10 - 5) ÷ 1 = 97 - (77 - 70) = 45 + (40 + 5) = (3 + 6) ÷ 3 = 22 + (23 + 30) = 63 + (2 + 18) = 8 ÷ (4 - 2) = (10 - 6) ÷ 2 =6 ÷ (24 ÷ 8) = 11 + (27 + 59) = 12 ÷ (3 × 2) = 42 + (66 - 56) =8 ÷ (32 ÷ 8) = 80 + (8 + 11) = 6 × (18 ÷ 9) = 100 - (30 + 37) = 4 ÷ (1 + 1) = 62 - (72 - 41) = 8 ÷ (2 + 2) = (30 - 25) ÷ 1 = 7 ÷ (1 × 7) = (27 - 18) ÷ 1 = 22 - (94 - 94) = 7 × (18 ÷ 6) = (40 - 35) ÷ 5 = 36 + (76 - 59) = 63 - (22 + 25) =9 ÷ (9 - 6) = 45 + (8 + 35) = 30 ÷ (1 × 5) = 7 × (21 ÷ 7) = 6 ÷ (4 - 1) = 3 × (3 × 1) = (2 + 4) ÷ 3 = 95 - (37 + 15) = (15 - 6) ÷ 3 = (4 + 4) ÷ 2 = 18 ÷ (3 × 3) = (24 - 21) ÷ 3 = (6 - 2) ÷ 2 = (18 - 14) ÷ 2 = (24 - 15) ÷ 3 = (40 - 32) ÷ 8 = 9 ÷ (5 - 2) = 84 + (10 + 3) = (2 + 6) ÷ 2 =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:4 × (6 ÷ 3) = 9 ÷ (7 - 4) = 12 ÷ (1 × 2) = 89 - (87 - 82) = (15 - 6) ÷ 3 = 31 + (34 + 23) = 72 ÷ (4 × 2) = (12 - 10) ÷ 1 = 100 - (30 + 37) = 90 + (59 - 57) = 7 × (3 × 1) = (4 + 2) ÷ 2 = 57 - (51 - 29) = 22 + (100 - 45) = 8 × (2 × 3) = (30 - 24) ÷6 = (12 - 9) ÷ 3 = (21 - 15) ÷ 2 = (2 + 2) ÷ 2 = 45 + (79 - 59) = (28 - 24) ÷ 4 = 17 + (36 + 43) = (21 - 15) ÷ 3 = (3 + 3) ÷ 2 = 31 + (20 + 2) = (12 - 9) ÷ 1 = 3 × (2 ÷ 2) = 87 - (25 + 35) = 16 ÷ (1 × 8) = 93 - (54 - 35) = (6 + 2) ÷ 4 = 58 + (51 - 40) = 84 + (10 + 3) = 8 ÷ (6 - 4) = 7 × (2 × 3) = 31 + (64 + 1) = 8 ÷ (9 - 7) = 18 ÷ (2 × 3) = 11 + (18 + 22) = (2 + 6) ÷ 4 = (30 - 25) ÷ 5 = 20 ÷ (1 × 4) = 42 ÷ (2 × 3) =21 ÷ (1 × 7) =80 - (91 - 63) =8 ÷ (4 × 2) = 12 ÷ (3 × 2) = (3 + 3) ÷ 3 =9 × (3 × 2) = 8 ÷ (9 - 5) = 21 ÷ (18 ÷ 6) = 32 ÷ (40 ÷ 5) = (4 - 2) ÷ 1 = 9 × (8 ÷ 2) = 18 ÷ (10 ÷ 5) = 22 + (23 + 30) = 24 + (32 + 7) = 8 ÷ (3 + 1) = 63 + (61 - 40) = 84 - (46 + 16) = 48 + (80 - 31) = 4 × (28 ÷ 7) = 12 ÷ (54 ÷ 9) = 62 - (77 - 43) = 63 - (37 + 14) = (15 - 10) ÷ 5 = 6 × (48 ÷ 6) = 93 - (63 + 30) = 8 × (9 ÷ 3) =8 ÷ (1 + 3) = 9 × (36 ÷ 4) = 59 + (38 + 2) = 16 ÷ (1 × 4) = 30 ÷ (1 × 5) = 9 ÷ (5 - 2) = (35 - 28) ÷ 7 = 6 ÷ (2 + 1) = (4 + 4) ÷ 2 = 49 ÷ (28 ÷ 4) = (16 - 8) ÷ 1 = (24 - 15) ÷ 3 = 6 ÷ (1 + 2) = 6 ÷ (5 - 2) = 30 + (76 - 30) = 57 - (75 - 62) = 6 × (48 ÷ 8) = 36 ÷ (1 × 4) = 56 ÷ (1 × 7) = 63 ÷ (3 × 3) = 21 ÷ (42 ÷ 6) = 34 - (81 - 67) = 81 ÷ (1 × 9) = 6 ÷ (1 + 1) = 45 + (48 - 22) = (30 - 25) ÷ 1 = 63 + (2 + 18) = 6 ÷ (24 ÷ 8) = (36 - 32) ÷ 1 = 52 - (92 - 56) = 55 + (84 - 51) =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:57 - (75 - 62) = 6 ÷ (4 - 1) = 87 - (67 + 20) = 9 × (8 ÷ 2) = 11 + (18 + 22) = 6 ÷ (1 + 1) = 20 ÷ (2 × 2) = 71 - (71 - 12) = 2 × (3 × 3) = 9 × (8 ÷ 8) = 62 - (72 - 41) = 6 ÷ (24 ÷ 8) = (15 - 10) ÷ 5 = 8 ÷ (4 × 2) = 8 ÷ (6 - 2) = 95 - (33 - 28) = (6 + 2) ÷ 4 = (28 - 24) ÷ 4 = 100 - (30 + 37) = 42 ÷ (3 × 2) = 7 × (72 ÷ 9) = 65 - (97 - 83) = 63 + (2 + 18) = 65 + (2 + 19) = (32 - 24) ÷ 1 = 11 + (27 + 59) = 16 ÷ (1 × 4) = 32 + (5 + 16) = 7 × (2 × 1) = (6 + 3) ÷ 3 = 21 + (14 + 25) = 2 × (3 × 1) = (3 + 3) ÷ 2 = 15 ÷ (25 ÷ 5) = 14 ÷ (1 × 7) = 9 × (2 × 3) = 25 ÷ (15 ÷ 3) = 14 + (29 + 27) = 6 ÷ (7 - 4) = 84 + (10 + 3) = 24 + (32 + 7) = (6 + 2) ÷ 2 = 32 - (90 - 83) =24 ÷ (6 ÷ 2) =(6 - 2) ÷ 2 =8 × (32 ÷ 4) = 4 × (28 ÷ 7) = (2 + 6) ÷ 4 = (3 + 3) ÷ 3 = (36 - 32) ÷ 1 = 90 - (25 + 54) = 24 ÷ (9 ÷ 3) = 21 ÷ (18 ÷ 6) = 6 ÷ (1 + 2) = 95 - (37 + 15) = 79 - (96 - 32) = 71 - (47 + 23) = 50 - (60 - 13) = 36 ÷ (18 ÷ 3) = 36 ÷ (1 × 4) = (4 + 4) ÷ 2 = 8 ÷ (6 - 4) = 34 + (64 - 62) = 81 - (35 - 15) = (15 - 6) ÷ 3 = 3 × (8 ÷ 2) = 31 + (64 + 1) = 32 + (61 - 61) = 7 × (14 ÷ 7) = 12 ÷ (1 × 2) = 21 ÷ (42 ÷ 6) = 41 + (46 + 8) = 27 ÷ (18 ÷ 6) = 56 ÷ (1 × 7) = (4 + 2) ÷ 2 = (40 - 35) ÷ 1 = 99 - (57 - 23) = (56 - 48) ÷ 1 = 5 × (49 ÷ 7) = 48 + (80 - 31) = 92 + (87 - 83) = 7 × (2 × 3) = (45 - 36) ÷ 9 = (4 + 4) ÷ 4 = 17 + (36 + 43) = 8 × (3 × 3) = 22 - (94 - 94) = (12 - 9) ÷ 3 = 73 - (32 + 17) = 55 - (39 + 15) = 6 × (2 × 1) = 9 ÷ (5 - 2) = (16 - 10) ÷ 3 = 27 + (7 + 5) = 4 × (6 ÷ 6) = 9 ÷ (7 - 4) =35 ÷ (49 ÷ 7) = (8 - 4) ÷ 4 = (16 - 8) ÷ 1 = 16 + (26 + 34) =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:95 - (37 + 15) = (6 + 2) ÷ 2 = 99 - (57 - 23) = 36 ÷ (1 × 4) = 75 - (23 + 29) = 6 ÷ (2 + 1) = (10 - 4) ÷ 2 = (36 - 28) ÷ 4 = 9 × (3 × 3) = 57 - (51 - 29) = 71 - (71 - 12) = 8 ÷ (8 - 4) = 3 × (12 ÷ 2) = 45 + (79 - 59) = 2 × (56 ÷ 7) = 9 ÷ (6 - 3) = 6 ÷ (1 + 2) = 81 + (30 - 17) = 62 - (77 - 43) = 12 ÷ (1 × 2) = 6 × (48 ÷ 8) = 100 - (30 + 37) = (21 - 15) ÷ 3 = 9 ÷ (5 - 2) = 3 × (3 × 1) = (45 - 36) ÷ 9 = (28 - 24) ÷ 4 = 45 + (9 + 44) = 54 - (66 - 31) = 18 ÷ (6 ÷ 2) = (6 - 3) ÷ 3 = (2 + 4) ÷ 3 = 76 - (28 + 40) = (36 - 32) ÷ 1 = 9 ÷ (1 + 2) = 21 ÷ (1 × 7) = (25 - 20) ÷ 5 = (15 - 6) ÷ 3 = 2 × (3 × 3) = (45 - 36) ÷ 1 = (4 + 4) ÷ 4 = 14 + (3 + 43) = (6 - 2) ÷ 2 =(12 - 10) ÷ 1 =12 ÷ (3 × 2) =8 ÷ (7 - 5) = 25 ÷ (1 × 5) = 11 + (27 + 59) = (24 - 15) ÷ 3 = 72 - (84 - 21) = 49 ÷ (1 × 7) = 9 ÷ (1 × 9) = 3 × (8 ÷ 2) = 7 × (72 ÷ 9) = 30 ÷ (1 × 5) = 31 + (64 + 1) = 16 ÷ (1 × 4) = 17 + (36 + 43) = 84 + (10 + 3) = 5 × (24 ÷ 8) = (12 - 8) ÷ 1 = (18 - 12) ÷ 2 = (14 - 7) ÷ 1 = (63 - 56) ÷ 7 = 21 ÷ (42 ÷ 6) = 36 ÷ (1 × 9) = (8 - 6) ÷ 2 = 6 × (6 ÷ 2) = (6 + 3) ÷ 3 =3 × (3 × 2) = (6 + 2) ÷4 = 57 - (75 - 62) = 5 × (6 ÷ 2) = 49 + (10 + 16) = (2 + 6) ÷ 4 =71 - (80 - 34) = (2 + 4) ÷ 2 = 44 + (23 + 12) = 8 ÷ (6 - 4) = 6 ÷ (8 - 6) = 92 - (60 + 14) = (16 - 8) ÷ 2 = (48 - 42) ÷ 6 = 28 + (51 - 47) = 2 × (16 ÷ 4) = 18 + (15 + 2) = 6 ÷ (4 - 1) =4 ÷ (7 - 5) = 14 + (29 + 27) = 22 + (23 + 30) = 71 - (90 - 39) = 7 × (3 × 1) = (12 - 4) ÷ 4 = 65 + (92 - 89) = 81 ÷ (27 ÷ 3) = (3 + 3) ÷ 2 =79 - (75 - 67) = 4 × (42 ÷ 7) = 4 ÷ (8 ÷ 8) =24 ÷ (9 ÷ 3) =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:6 × (48 ÷ 8) = 71 - (71 - 12) = 36 ÷ (2 × 2) = 92 - (60 + 14) = 52 + (38 - 36) = 45 + (79 - 59) =7 × (18 ÷ 6) = (72 - 64) ÷ 1 = (18 - 9) ÷ 1 = 6 × (48 ÷ 6) = (6 + 3) ÷ 3 = 63 ÷ (56 ÷ 8) = (2 + 6) ÷ 4 = 4 ÷ (1 + 1) = 46 + (63 - 60) = (3 + 3) ÷ 3 = (12 - 9) ÷ 3 = 91 - (62 + 26) = 22 + (100 - 45) = 61 - (66 - 53) = 2 × (2 × 1) = 2 × (3 × 3) = 84 + (10 + 3) = 87 - (21 + 27) = 5 × (2 × 2) = 6 ÷ (5 - 2) = 6 ÷ (2 + 1) = 95 - (37 + 15) = 63 - (86 - 64) = 11 + (27 + 59) = 78 - (23 + 24) = (3 + 6) ÷ 3 = (6 - 2) ÷ 2 = 64 + (52 - 43) = 24 ÷ (9 ÷ 3) = 8 ÷ (4 × 2) = 4 ÷ (6 ÷ 3) = 6 ÷ (7 - 4) = 3 ÷ (4 ÷ 4) = (40 - 32) ÷ 8 = 7 × (27 ÷ 9) = 2 × (56 ÷ 7) = 2 × (2 × 3) =31 + (34 + 23) =2 × (48 ÷ 8) =6 ÷ (3 - 1) = 9 × (8 ÷ 2) = 6 ÷ (7 - 5) =62 + (72 - 68) = 62 - (72 - 41) = 17 + (22 + 19) = 34 + (20 + 14) = (8 - 4) ÷ 4 = 9 ÷ (1 + 2) =81 ÷ (27 ÷ 3) = 37 + (29 + 11) = 4 × (28 ÷ 7) = (6 + 2) ÷ 4 = 6 ÷ (6 - 4) = 7 × (72 ÷ 9) = 51 - (82 - 70) = 6 ÷ (1 + 2) = 5 × (3 × 3) =89 - (87 - 82) = (6 + 2) ÷ 2 = (4 + 2) ÷ 2 = (24 - 18) ÷ 2 = (3 + 3) ÷ 2 = 56 ÷ (1 × 7) = 69 + (55 - 40) = 7 ÷ (1 × 7) = 4 × (12 ÷ 6) = (28 - 24) ÷ 4 = 57 - (77 - 57) = 48 + (69 - 28) = 22 - (94 - 94) = 6 ÷ (1 + 1) = 8 ÷ (8 - 4) =6 ÷ (24 ÷ 8) = 6 ÷ (4 - 1) = 9 ÷ (7 - 4) = 100 - (30 + 37) = 14 + (29 + 27) = 6 ÷ (6 ÷ 6) =18 ÷ (18 ÷ 6) = (2 + 4) ÷ 3 = (15 - 10) ÷ 5 = 6 ÷ (8 - 5) = (10 - 4) ÷ 2 = 81 - (35 - 15) = 22 + (23 + 30) = 9 ÷ (5 - 2) = 7 × (2 × 3) =78 - (21 + 57) = 55 - (33 + 22) = 8 × (5 ÷ 5) =12 ÷ (3 × 2) = 67 + (39 - 26) = 90 - (38 + 52) = (30 - 25) ÷ 1 =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:6 ÷ (7 - 4) = 21 ÷ (42 ÷ 6) = 7 × (2 × 3) = 6 × (2 × 1) = (36 - 32) ÷ 1 = 16 ÷ (1 × 8) = (18 - 16) ÷ 2 = (8 - 6) ÷ 1 = (4 + 4) ÷ 2 = (35 - 28) ÷ 1 = 45 + (79 - 59) = 6 ÷ (2 × 3) = 14 ÷ (1 × 7) = 8 ÷ (1 + 3) = 24 + (32 + 7) = (40 - 32) ÷ 8 = 62 + (61 - 23) = 32 ÷ (4 × 2) = (6 + 2) ÷ 2 = 4 × (28 ÷ 7) = 4 ÷ (1 + 1) = 9 ÷ (7 - 4) = 8 ÷ (4 × 2) = 22 - (94 - 94) = 3 × (49 ÷ 7) = 8 × (3 × 3) = 36 ÷ (1 × 9) = (4 + 2) ÷ 3 = 35 - (98 - 98) = 31 + (64 + 1) = (30 - 25) ÷ 1 = 6 ÷ (3 - 1) = 56 ÷ (1 × 7) = 5 × (6 ÷ 2) = 40 + (37 + 9) = 18 + (28 + 42) = (48 - 40) ÷ 8 = 7 × (18 ÷ 6) = (16 - 12) ÷ 4 = 9 × (2 × 2) = 95 - (37 + 15) = 6 ÷ (9 - 6) = 17 + (22 + 19) =2 × (56 ÷ 7) =8 × (56 ÷ 7) =24 + (64 + 6) = (24 - 15) ÷ 3 = 81 ÷ (27 ÷ 3) = 88 - (31 + 40) = 6 × (2 × 3) = 8 ÷ (8 - 6) =8 ÷ (6 ÷ 6) = 97 - (49 + 41) = (14 - 7) ÷ 7 =8 ÷ (5 - 3) = 65 + (92 - 89) = 100 - (30 + 37) = 16 ÷ (1 × 4) = (8 - 4) ÷ 4 = 71 - (71 - 12) =27 + (66 - 37) = 11 + (18 + 22) = 21 ÷ (1 × 7) =(28 - 24) ÷ 4 = (2 + 6) ÷ 4 = (24 - 21) ÷ 1 = 16 + (28 + 29) = 34 + (64 - 62) = 62 - (72 - 41) =(2 + 6) ÷ 2 = 4 ÷ (7 - 5) = 17 + (36 + 43) =(3 + 3) ÷ 2 = (4 + 2) ÷ 2 = 91 - (66 - 52) = 6 ÷ (6 ÷ 6) = 7 ÷ (1 × 7) = (10 - 6) ÷ 2 =57 - (75 - 62) = (6 - 2) ÷ 2 = 9 ÷ (2 + 1) =3 × (15 ÷ 5) =4 ÷ (8 - 6) = 2 × (2 × 1) =12 ÷ (1 × 2) = 89 - (87 - 82) = 3 × (8 ÷ 2) =6 ÷ (24 ÷ 8) = (15 - 6) ÷ 3 = (12 - 9) ÷ 3 =90 + (59 - 57) = 93 - (48 + 45) = 13 + (28 + 11) = 48 + (80 - 31) = 22 + (35 + 17) = (81 - 72) ÷ 1 = (3 + 3) ÷ 3 = 9 ÷ (5 - 2) = 6 ÷ (2 + 1) =9 × (8 ÷ 2) =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:6 × (48 ÷ 8) = 9 × (8 ÷ 2) = (15 - 10) ÷ 5 = 73 - (51 + 11) =7 × (18 ÷ 6) = 2 × (56 ÷ 7) = 16 ÷ (1 × 4) = 22 + (23 + 30) = 2 × (3 × 3) = 12 ÷ (1 × 2) = 17 + (36 + 43) =9 × (45 ÷ 5) = (6 + 3) ÷ 3 = 48 + (80 - 31) = 4 ÷ (5 - 3) = (6 - 2) ÷ 2 = 2 × (21 ÷ 3) = 35 ÷ (10 ÷ 2) = 5 × (30 ÷ 5) = 53 + (90 - 75) = 6 ÷ (7 - 5) = 7 × (72 ÷ 9) = 95 - (37 - 18) = (40 - 32) ÷ 8 = 25 ÷ (1 × 5) = 4 × (28 ÷ 7) = 14 + (29 + 27) = 81 ÷ (27 ÷ 3) = (20 - 16) ÷ 4 = 11 + (18 + 22) = 34 + (64 - 62) = 14 ÷ (6 ÷ 3) = 9 ÷ (4 - 1) = 17 + (34 + 11) = (36 - 32) ÷ 1 = 95 - (37 + 15) = 44 + (5 + 32) = 6 ÷ (24 ÷ 8) = 42 ÷ (1 × 7) = 90 + (59 - 57) = 6 ÷ (7 - 4) = 28 ÷ (1 × 7) = 11 + (27 + 59) =(27 - 18) ÷ 9 =63 + (2 + 18) =36 ÷ (1 × 4) = (3 + 6) ÷ 3 = 6 ÷ (10 ÷ 5) = (15 - 6) ÷ 3 = 9 ÷ (5 - 2) = 5 × (24 ÷ 3) = 92 - (60 + 14) = 99 - (57 - 23) = 28 ÷ (36 ÷ 9) = 100 - (30 + 37) = (6 + 2) ÷ 2 = 23 + (53 + 17) = 72 + (69 - 68) = 89 - (52 + 30) = 6 ÷ (6 - 4) =9 ÷ (6 ÷ 2) = 15 ÷ (1 × 5) = 45 + (79 - 59) = (63 - 56) ÷ 7 = 89 - (87 - 82) = (16 - 8) ÷ 4 =6 × (3 × 3) = 39 + (32 + 26) = 84 + (10 + 3) = 31 + (64 + 1) = 34 + (2 + 25) = 5 ÷ (1 × 5) =5 × (28 ÷ 7) = 62 - (77 - 43) = 24 ÷ (1 × 8) = (12 - 9) ÷ 1 = 9 ÷ (7 - 4) = (3 + 3) ÷ 3 = (63 - 56) ÷ 1 = 31 + (34 + 23) = 5 × (6 ÷ 2) =71 - (71 - 12) = 8 ÷ (4 × 2) = 19 + (55 + 16) = 22 - (94 - 94) = 6 ÷ (5 - 3) = 8 ÷ (3 + 1) =5 × (12 ÷ 4) = 8 ÷ (2 + 2) = 87 - (67 + 20) = (2 + 4) ÷ 2 = 24 + (82 - 35) = 20 ÷ (2 × 2) = (24 - 15) ÷ 3 = 54 + (30 - 28) =6 ÷ (2 + 1) = (4 + 4) ÷ 2 = 3 × (3 × 1) = 9 ÷ (2 + 1) = (21 - 15) ÷ 2 =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:(2 + 4) ÷ 3 = 18 ÷ (2 × 3) = (48 - 40) ÷ 8 = 9 ÷ (1 + 2) = (12 - 10) ÷ 1 = 71 - (32 + 14) = (18 - 16) ÷ 1 = 24 ÷ (9 ÷ 3) = 16 ÷ (1 × 8) = 8 × (10 ÷ 2) = 21 ÷ (1 × 7) = 84 + (10 + 3) = (4 + 4) ÷ 4 = 54 + (59 - 30) = (2 + 6) ÷ 2 = 81 ÷ (27 ÷ 3) = 6 ÷ (6 ÷ 6) = (16 - 12) ÷ 2 = 17 + (36 + 43) = 6 × (2 × 1) = 12 ÷ (3 × 2) = 87 - (67 + 20) = (6 + 2) ÷ 4 = 9 × (16 ÷ 4) = (15 - 10) ÷ 5 = 6 ÷ (1 + 2) = 22 + (16 + 40) = 4 × (2 × 1) = 32 ÷ (24 ÷ 3) = (28 - 24) ÷ 4 = 16 ÷ (1 × 4) = (14 - 10) ÷ 2 = 22 + (100 - 45) = (3 + 6) ÷ 3 = 3 × (8 ÷ 2) = 22 - (94 - 94) = 7 ÷ (1 × 7) = 8 ÷ (9 - 5) = 19 + (4 + 9) = (4 + 2) ÷ 2 = 15 + (31 + 31) = 48 + (80 - 31) = 78 + (84 - 64) =4 ÷ (8 - 6) =45 ÷ (10 ÷ 2) =65 + (92 - 89) = 8 × (2 × 3) = 90 + (59 - 57) = 6 × (32 ÷ 8) = 100 - (33 + 42) = 8 × (18 ÷ 6) = 36 ÷ (3 × 2) = 3 × (3 × 1) = 40 ÷ (40 ÷ 5) = 56 ÷ (1 × 7) = 7 ÷ (2 ÷ 2) = 72 ÷ (1 × 8) = (36 - 32) ÷ 1 = 4 × (28 ÷ 7) = (24 - 15) ÷ 3 = 6 ÷ (6 - 4) = 12 ÷ (28 ÷ 7) = 99 - (57 - 23) = (21 - 15) ÷ 3 = (3 + 3) ÷ 2 = (6 + 2) ÷ 2 = 12 ÷ (1 × 2) = 9 × (8 ÷ 2) = 14 ÷ (1 × 7) = 14 ÷ (1 × 2) = 6 ÷ (2 × 3) = 91 - (91 - 58) = 5 × (6 ÷ 2) = 34 + (64 - 62) = (12 - 9) ÷ 1 = 9 × (3 × 2) = 24 + (32 + 7) = 6 ÷ (7 - 4) =2 × (14 ÷ 2) = 16 + (33 + 51) = 66 + (29 - 20) = 26 + (18 + 11) = (16 - 12) ÷4 = 2 × (3 × 3) = (40 - 35) ÷5 = 63 ÷ (3 × 3) = 95 - (37 + 15) = 7 × (2 × 3) = 5 × (28 ÷ 7) = 9 ÷ (7 - 4) =31 + (34 + 23) = 42 ÷ (1 × 7) = 62 - (72 - 41) = 11 + (27 + 59) = 6 ÷ (24 ÷ 8) = 6 ÷ (9 - 6) =30 ÷ (1 × 5) = 16 ÷ (12 ÷ 6) = 6 ÷ (1 + 1) = 66 - (85 - 37) =月 日 姓名:分秒练习范围：带括号的混合运算 题数：100成绩:90 + (59 - 57) = 57 - (75 - 62) = (28 - 24) ÷ 4 = 6 ÷ (4 - 1) = 63 ÷ (1 × 9) = 62 - (72 - 41) = 20 + (18 + 20) = 36 ÷ (28 ÷ 7) = 42 ÷ (3 × 2) = (12 - 6) ÷ 3 = 2 × (21 ÷ 3) = 8 ÷ (1 + 3) = 8 ÷ (3 + 1) = 16 ÷ (1 × 4) = 71 - (71 - 12) = 30 + (76 - 23) = 89 + (73 - 62) = 57 - (51 - 29) = 48 - (90 - 78) = (40 - 32) ÷ 8 = 42 ÷ (1 × 7) = 4 ÷ (4 - 2) = (3 + 6) ÷ 3 = 31 + (34 + 23) = (16 - 12) ÷ 2 = 8 ÷ (2 + 2) = 99 - (57 - 23) = 9 ÷ (1 + 2) = 30 ÷ (1 × 5) = (24 - 16) ÷ 8 = 81 ÷ (1 × 9) = 24 + (32 + 7) = 36 + (75 - 66) = 32 ÷ (2 × 2) = (6 + 2) ÷ 2 = 29 + (5 + 66) = 9 × (8 ÷ 2) = 7 ÷ (1 × 7) = 12 ÷ (2 × 3) = 14 ÷ (1 × 7) = 6 × (48 ÷ 6) = 95 - (37 + 15) = 87 - (67 + 20) =81 ÷ (27 ÷ 3) =6 × (72 ÷ 9) =89 - (87 - 82) = 20 + (18 + 58) =5 × (54 ÷ 6) =6 ÷ (7 - 4) = 6 ÷ (5 - 3) =(36 - 32) ÷ 1 =8 ÷ (7 ÷ 7) =(3 + 3) ÷ 2 =6 ÷ (2 + 1) =54 + (93 - 77) =9 ÷ (21 ÷ 7) =(2 + 2) ÷ 2 =2 × (3 × 3) = 7 × (3 × 1) = 7 × (72 ÷ 9) =9 ÷ (5 - 2) = (12 - 9) ÷ 1 = 22 + (100 - 45) = 14 + (29 + 27) = (30 - 25) ÷ 1 = 12 ÷ (3 × 2) =6 × (6 ÷ 6) = 31 - (44 - 27) = 9 ÷ (7 - 4) =45 + (79 - 59) = (2 + 6) ÷ 4 = 8 ÷ (4 × 2) =17 + (36 + 43) = (15 - 10) ÷ 5 = 54 ÷ (36 ÷ 4) = 24 + (64 + 6) = 62 - (77 - 43) = (3 + 3) ÷ 3 =8 × (3 × 3) = 23 + (89 - 40) = 4 × (30 ÷ 6) = (2 + 4) ÷ 2 = 24 ÷ (2 × 4) = 21 ÷ (1 × 7) =8 × (15 ÷ 3) = 92 - (60 + 14) = 24 ÷ (9 ÷ 3) = 98 - (79 - 46) = (8 - 4) ÷ 4 = (21 - 15) ÷ 3 = (4 + 2) ÷ 2 = 22 + (23 + 30) = 64 + (58 - 27) = 6 × (48 ÷ 8) = 5 × (28 ÷ 7) = 98 - (49 + 17) = 5 × (2 × 1) = 11 + (18 + 22) = 3 × (36 ÷ 9) = 16 ÷ (1 × 8) =。
加减法混合练习题(打印版)带括号
加减法混合练习题（打印版）带括号一、基础练习1. (5 + 3) - 2 =2. 8 - (4 + 1) =3. (7 + 2) - 5 =4. 9 - (3 + 2) =5. (6 + 4) - 3 =二、进阶练习6. 12 - (5 + 3) =7. (8 + 2) - 6 =8. 15 - (7 + 4) =9. (9 + 1) - 8 =10. 10 - (2 + 4) =三、混合运算11. (3 + 4) - (1 + 2) =12. 14 - (6 + 3) + 5 =13. (7 + 5) - (2 + 1) =14. 11 - (4 + 3) + 2 =15. (9 + 2) - (5 + 1) =四、复杂运算16. 18 - (8 + 5) + 3 =17. (10 + 3) - (6 + 2) =18. 20 - (9 + 4) + 2 =19. (12 + 1) - (7 + 3) =20. 16 - (5 + 6) + 4 =五、应用题21. 小明有10个苹果，他给了小红3个，然后又从妈妈那里得到了5个，请问小明现在有多少个苹果？22. 小华有15支铅笔，他给了小明6支，然后又买了8支，请问小华现在有多少支铅笔？23. 学校图书馆有20本书，借出去了8本，又新进了5本，请问现在图书馆有多少本书？24. 小红有12颗糖果，她吃了3颗，又从妈妈那里得到了7颗，请问小红现在有多少颗糖果？25. 爸爸有20元钱，他花了5元买了一本书，又从妈妈那里得到了10元，请问爸爸现在有多少钱？请同学们认真完成以上练习题，通过这些加减法混合运算的练习，可以提高我们的计算能力和逻辑思维能力。
在解答应用题时，要注意理解题目的意思，正确列出算式，然后再进行计算。
希望同学们都能取得好成绩！。