人教版小学数学四年级脱式计算比赛试题(30题)
数学四年级数学脱式计算题(300题)
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数学四年级数学脱式计算题(300题)以下是已经改正过的文章:数学四年级脱式计算题(300题)2800÷100 + 789(947-599) + 76×6436×(913-276÷23)(93+25×21)×9507÷13×63 + - (521+504)÷25÷384÷12 + 23×371(39-21)×(396÷6)×57×12 - 560÷ - 640÷16×12138×25×4×(13×125)×(3×8)25×32×125×32×(25+125)75×99+2×75-83×102-83×250×(34×4)×3×25×(24+16)7300÷25÷48÷100÷4÷751500-32×45[192-(54+38)]×6712+24+80)×50-704×25-509178×101-×36+64×8498×199-123×18-123×3+85×123178×99+×42+79+79×57解释:这是一篇数学四年级的脱式计算题,共有300道题目。
以下是每道题目的答案:1.2800÷100 + 789(947-599) + 76×6436×(913-276÷23)(93+25×21)×9507÷13×63 + - (521+504)÷25÷384÷12 + 23×371(39-21)×(396÷6)×57×12 - 560÷ - 640÷16×12 =8,983,628.362.138×25×4×(13×125)×(3×8) = 1,105,5003.25×32×125×32×(25+125) = 10,240,0004.75×99+2×75-83×102-83×2 = -8,3765.50×(34×4)×3×25×(24+16) = 2,736,0006.7300÷25÷48÷100÷4÷75 = 0.xxxxxxxx777.1500-32×45[192-(54+38)]×67 = 1,474,9888.(12+24+80)×50-704×25-509 = -14,0599.178×101-×36+64×84 = -636,18410.98×199-123×18-123×3+85×123 = 18,10611.178×99+×42+79+79×57 = 1,513,296以上是每道题目的答案。
四年级的脱式计算练习题
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四年级的脱式计算练习题一、整数加减法1. 456 + 234 =2. 789 567 =3. + 5678 =4. 8765 4321 =5. 3456 + 9876 =二、整数乘法1. 23 × 45 =2. 56 × 78 =3. 34 × 12 =4. 89 × 23 =5. 76 × 54 =三、整数除法1. 90 ÷ 5 =2. 144 ÷ 12 =3. 256 ÷ 16 =4. 400 ÷ 25 =5. 630 ÷ 9 =四、小数加减法1. 3.25 + 4.75 =2. 8.563.42 =3. 6.78 + 5.89 =5. 7.65 + 4.35 =五、小数乘法1. 2.5 × 4 =2. 3.6 × 2.5 =3. 1.2 × 8 =4. 4.8 ×5.5 =5. 3.4 ×6.7 =六、小数除法1. 8 ÷2.5 =2. 9.6 ÷ 1.2 =3. 7.5 ÷ 2.5 =4. 12.5 ÷ 5 =5. 20.4 ÷ 2.8 =七、混合运算1. 45 + 23 × 2 =2. 78 36 ÷ 4 =3. (56 + 78) × 3 =4. 96 ÷ 3 14 =5. 125 × 8 ÷ 4 =八、分数加减法1. 1/4 + 3/4 =2. 2/5 1/5 =3. 3/8 + 5/8 =5. 4/9 + 5/9 =九、分数乘法1. 1/2 × 4/5 =2. 3/4 × 2/3 =3. 5/6 × 6/7 =4. 2/5 × 5/8 =5. 7/8 × 4/9 =十、分数除法1. 3/4 ÷ 1/2 =2. 5/6 ÷ 2/3 =3. 4/9 ÷ 2/3 =4. 8/15 ÷ 4/5 =5. 9/10 ÷ 3/5 =十一、带余数的除法1. 23 ÷ 4 =2. 39 ÷ 5 =3. 57 ÷ 8 =4. 75 ÷ 9 =5. 88 ÷ 7 =十二、简便计算1. 1000 99 =2. 500 × 2 +300 × 2 =3. 200 ÷ 25 × 4 =4. (100 + 200) ÷ 50 =5. 3600 ÷ 12 ÷ 3 =十三、时间计算1. 2小时45分 + 3小时30分 =2. 5小时20分 2小时15分 =3. 4小时× 3 =4. 6小时÷ 2 =5. 120分钟÷ 60 =十四、长度单位换算1. 5米 = 多少厘米?2. 80厘米 = 多少米?3. 10千米 = 多少米?4. 300厘米 = 多少米?5. 1米50厘米 = 多少厘米?十五、面积单位换算1. 2平方米 = 多少平方分米?2. 300平方厘米 = 多少平方分米?3. 5平方分米 = 多少平方米?4. 100平方分米 = 多少平方米?5. 1平方米 = 多少平方厘米?答案一、整数加减法1. 456 + 234 = 6903. + 5678 = 69124. 8765 4321 = 44445. 3456 + 9876 = 13332二、整数乘法1. 23 × 45 = 10352. 56 × 78 = 43683. 34 × 12 = 4084. 89 × 23 = 20475. 76 × 54 = 4104三、整数除法1. 90 ÷ 5 = 182. 144 ÷ 12 = 123. 256 ÷ 16 = 164. 400 ÷ 25 = 165. 630 ÷ 9 = 70四、小数加减法1. 3.25 + 4.75 = 8.002. 8.563.42 = 5.143. 6.78 + 5.89 = 12.674. 9.32 6.17 = 3.155. 7.65 + 4.35 = 12.00五、小数乘法1. 2.5 × 4 = 10.03. 1.2 × 8 = 9.64. 4.8 ×5.5 = 26.45. 3.4 ×6.7 = 22.78六、小数除法1. 8 ÷2.5 =3.22. 9.6 ÷ 1.2 = 8.03. 7.5 ÷ 2.5 = 3.04. 12.5 ÷ 5 = 2.55. 20.4 ÷ 2.8 = 7.29七、混合运算1. 45 + 23 × 2 = 912. 78 36 ÷ 4 = 693. (56 + 78) × 3 = 3604. 96 ÷ 3 14 = 225. 125 × 8 ÷ 4 = 250八、分数加减法1. 1/4 + 3/4 = 12. 2/5 1/5 = 1/53. 3/8 + 5/8 = 14. 7/12 1/6 = 5/125. 4/9 + 5/9 = 1九、分数乘法1. 1/2 × 4/5 = 2/53. 5/6 × 6/7 = 5/74. 2/5 × 5/8 = 1/45. 7/8 × 4/9 = 7/18十、分数除法1. 3/4 ÷ 1/2 = 3/22. 5/6 ÷ 2/3 = 5/43. 4/9 ÷ 2/3 = 2/34. 8/15 ÷ 4/5 = 2/35. 9/10 ÷ 3/5 = 3/2十一、带余数的除法1. 23 ÷ 4 = 532. 39 ÷ 5 = 743. 57 ÷ 8 = 714. 75 ÷ 9 = 835. 88 ÷ 7 = 124十二、简便计算1. 1000 99 = 9012. 500 × 2 + 300 × 2 = 16003. 200 ÷ 25 × 4 = 324. (100 + 200) ÷ 50 = 65. 3600 ÷ 12 ÷ 3 = 100十三、时间计算1. 2小时45分 + 3小时30分。
小学数学四年级50道脱式计算
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题目1:789-456=?答案:789-456=333题目2:543*21=?解答:543*21=11,403题目3:732÷9=?解答:732÷9=81题目4:259+396=?解答:259+396=655题目5:981-541=?解答:981-541=440题目6:234*18=?解答:234*18=4,212题目7:369÷3=?解答:369÷3=123题目8:725+583=?解答:725+583=1,308题目9:642-164=?解答:642-164=478题目10:869*15=?解答:869*15=13,035题目11:478÷7=?解答:478÷7=68题目12:286+458=?解答:286+458=744题目13:892-359=?解答:892-359=533题目14:239*27=?解答:239*27=6,453题目15:468÷6=?解答:468÷6=78题目16:652+387=?解答:652+387=1,039题目17:738-472=?解答:738-472=266题目18:149*14=?解答:149*14=2,086题目19:594÷9=?解答:594÷9=66题目20:398+261=?解答:398+261=659题目21:793-472=?解答:793-472=321题目22:387*19=?解答:387*19=7,353题目23:594÷6=?解答:594÷6=99题目24:738+561=?解答:738+561=1,299题目25:849-215=?解答:849-215=634题目26:367*16=?解答:367*16=5,872题目27:749÷7=?解答:749÷7=107题目28:561+327=?解答:561+327=888题目29:836-287=?解答:836-287=549题目30:245*23=?解答:245*23=5,635题目31:769÷8=?解答:769÷8=96题目32:472+527=?解答:472+527=999题目33:891-629=?解答:891-629=262题目34:349*18=?解答:349*18=6,282题目35:528÷6=?解答:528÷6=88题目36:873+528=?解答:873+528=1,401题目37:395-257=?解答:395-257=138题目38:659*15=?解答:659*15=9,885题目39:842÷8=?解答:842÷8=105题目40:269+378=?解答:269+378=647题目41:729-321=?解答:729-321=408题目42:593*17=?解答:593*17=10,081题目43:762÷6=?解答:762÷6=127题目44:426+579=?解答:426+579=1,005题目45:846-189=?解答:846-189=657题目46:354*13=?解答:354*13=4,602题目47:463÷7=?解答:463÷7=66题目48:746+672=?解答:746+672=1,418题目49:845-516=?解答:845-516=329题目50:782*16=?解答:782*16=12,512以上是四年级的50道脱式计算,共1200字。