小学数学五年级上册简便计算专项训练
小学数学五年级上册简便计算68道题含答案
小学数学五年级上册简便计算68道题（含详细答案）3.29+0.73+2.27 3.29-0.73-2.277.5+2.5-7.5+2.57.325-3.29-3.3257.325-(5.325+1.7)7.325－(5.325－1.7)3.29+0.73-2.29+2.27 3.29×0.25×4 0.125×8.80.25×0.280.125×3.2×2.535×10.20.25×4÷0.25×43.5×9.9 3.5×99＋3.53.5×101-3.5 3.5×9.9+3.5×0.1 3.5×2.7+35×0.73 3.5×2.7-3.5×0.7(32+5.6)÷0.8 3.5÷0.6-0.5÷0.64.9÷1.47÷0.25÷47÷0.1257.35÷(7.35×0.25)7.35÷(7.35÷0.25)3.07－0.38－1.62 1.29＋3.7＋2.71＋6.38－2.45－1.553.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.20.32×4033.2＋0.36＋4.8＋1.64 1.23＋3.4－0.23＋6.60.25×3612.7－（3.7＋0.84）36.54－1.76－4.540.25×0.73×4 7.6×0.8＋0.2×7.60.85×1990.25×8.5×41.28×8.6＋0.72×8.612.5×0.96×0.810.4－9.6×0.350.8×（4.3×1.25） 3.12＋3.12×9928.6×101－28.6（4.23＋6.17）×0.80.86×15.7－0.86×14.7 2.4×10214－7.32－2.68 2.64＋8.67＋7.36＋11.33 2.31×1.2×0.5（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.54.5÷1.8930÷0.6÷563.4÷2.5÷0.4 4.25÷2.5×9.9＋0.173.9÷（1.3×5）（7.7＋1.54）÷0.72.5×2.4 2.7÷450.35×1.25×2×0.832.4×0.9＋0.1×32.415÷0.25 15÷（0.15×0.4）小学数学五年级上册简便计算练习（答案卷）一、归类练习：3.29＋0.73＋2.27 3.29－0.73－2.277.5＋2.5－7.5＋2.5=3.29＋（0.73＋2.27）=3.29－（0.73＋2.27）=（7.5－7.5）＋（2.5＋2.5）=3.29＋3=3.29－3=0＋5=6.29 =0.29 =5（加法结合律）（减法的性质）（同级运算交换）7.325－3.29－3.3257.325－(5.325＋1.7)7.325－(5.325－1.7)=7.325－3.325－3.29=7.325－5.325－1.7=7.325－5.325＋1.7=4－3.29=2－1.7=2＋1.7=0.71 =0.3 =3.7（减法交换）（减法的性质）（前面减号，脱括号变符号）3.29＋0.73－2.29＋2.27 3.29×0.25×40.125×8.8=（3.29－2.29）＋（0.73＋2.27）=3.29×（0.25×4）=0.125×8×1.1=1＋3=3.29×1=1×1.1=4 =3.29 =1.1（同级运算交换）（乘法结合律）（先拆数，乘法结合律）0.25×0.280.125×3.2×2.535×10.2=0.25×4×0.07=（0.125×8）×（0.4×2.5）=35×（10＋0.2）=1×0.07=1×1=35×10＋35×0.2=0.07 =1 =350＋7（先拆数，乘法结合律）（拆数，乘法结合律）=357（拆数，乘法分配律）0.25×4÷0.25×43.5×9.9 3.5×99＋3.5=（0.25÷0.25）×（4×4）=3.5×（10－0.1）=3.5×（99＋1）=1×16 =3.5×10－3.5×0.1 =3.5×100=16 =35－0.35 =350（同级运算交换）=34.65 （乘法分配律）（拆数，乘法分配律）3.5×101－3.5 3.5×9.9＋3.5×0.1★3.5×2.7＋35×0.73=3.5×（101－1）=3.5×（9.9＋0.1）=3.5×2.7＋3.5×7.3=3.5×100 =3.5×10 =3.5×（2.7＋7.3）=350 =35 =3.5×10（乘法分配律）（乘法分配律）=35（先利用积不变的规律转化，然后再用乘法分配律）3.5×2.7－3.5×0.7★(32＋5.6)÷0.8★3.5÷0.6－0.5÷0.6=3.5×（2.7－0.7）=32÷0.8＋5.6÷0.8=(3.5－0.5)÷0.6=3.5×2 =40＋7 =3÷0.6=7 =47 =5（乘法分配律）（后2题类似分配律，但只适用于（a＋b）÷c和(a－b)÷c，而a÷(b＋c)和a÷(b－c)不能用。
小学数学五年级上册简便计算68道题(含答案)
小学数学五年级上册简便计算68道题（含详细答案）3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.57.325-3.29-3.325 7.325-(5.325+1.7) 7.325－(5.325－1.7) 3.29+0.73-2.29+2.27 3.29×0.25×40.125×8.80.25×0.280.125×3.2×2.535×10.2 0.25×4÷0.2 5×43.5×9.9 3.5×99＋3.53.5×101-3.5 3.5×9.9+3.5×0.1 3.5×2.7+35×0.733.5×2.7-3.5×0.7(32+5.6)÷0.8 3.5÷0.6-0.5÷0.64.9÷1.4 7÷0.25÷47÷0.1257.35÷(7.35×0.25)7.35÷(7.35÷0.25)3.07－0.38－1.62 1.29＋3.7＋2.71＋6.38－2.45－1.55 3.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.2 0.32×4033.2＋0.36＋4.8＋ 1.64 1.23＋ 3.4－0.23＋6.6 0.25×3612.7－（3.7＋0.84） 36.54－1.76－4.54 0.25×0.73×47.6×0.8＋0.2×7.60.85×1990.25×8.5×41.28×8.6＋0.72×8.612.5×0.96×0.8 10.4－9.6×0.350.8×（4.3×1.25） 3.12＋3.12×9928.6×101－28.6（4.23＋6.17）×0.80.86×15.7－0.86×14.7 2.4×10214－7.32－2.68 2.64＋8.67＋7.36＋11.33 2.31×1.2×0.5（2.5－0.25）×0.4 9.16×1.5－0.5×9.163.6－3.6×0.54.5÷1.8 930÷0.6÷5 63.4÷2.5÷0.4 4.25÷2.5×9.9＋0.173.9÷（1.3×5）（7.7＋1.54）÷0.72.5×2.4 2.7÷450.35×1.25×2×0.8 32.4×0.9＋0.1×32.415÷0.25 15÷（0.15×0.4）小学数学五年级上册简便计算练习（答案卷）一、归类练习：3.29＋0.73＋2.27 3.29－0.73－2.27 7.5＋2.5－7.5＋2.5=3.29＋（0.73＋2.27） =3.29－（0.73＋2.27） =（7.5－7.5）＋（2.5＋2.5）=3.29＋3 =3.29－3 =0＋5=6.29 =0.29 =5（加法结合律）（减法的性质）（同级运算交换）7.325－3.29－3.325 7.325－(5.325＋1.7) 7.325－(5.325－1.7)=7.325－3.325－3.29 =7.325－5.325－1.7 =7.325－5.325＋1.7=4－3.29 =2－1.7 =2＋1.7=0.71 =0.3 =3.7（减法交换）（减法的性质）（前面减号，脱括号变符号）3.29＋0.73－2.29＋2.27 3.29×0.25×4 0.125×8.8=（3.29－2.29）＋（0.73＋2.27） =3.29×（0.25×4） =0.125×8×1.1=1＋3 =3.29×1 =1×1.1=4 =3.29 =1.1（同级运算交换）（乘法结合律）（先拆数，乘法结合律）0.25×0.28 0.125×3.2×2.5 35×10.2=0.25×4×0.07 =（0.125×8）×（0.4×2.5） =35×（10＋0.2）=1×0.07 =1×1 =35×10＋35×0.2=0.07 =1 =350＋7（先拆数，乘法结合律）（拆数，乘法结合律） =357（拆数，乘法分配律）0.25×4÷0.25×4 3.5×9.9 3.5×99＋3.5=（0.25÷0.25）×（4×4） =3.5×（10－0.1） =3.5×（99＋1）=1×16 =3.5×10－3.5×0.1 =3.5×100=16 =35－0.35 =350（同级运算交换） =34.65 （乘法分配律）（拆数，乘法分配律）3.5×101－3.5 3.5×9.9＋3.5×0.1 ★ 3.5×2.7＋35×0.73=3.5×（101－1） =3.5×（9.9＋0.1） =3.5×2.7＋3.5×7.3=3.5×100 =3.5×10 =3.5×（2.7＋7.3）=350 =35 =3.5×10（乘法分配律）（乘法分配律） =35（先利用积不变的规律转化，然后再用乘法分配律）3.5×2.7－3.5×0.7 ★ (32＋5.6)÷0.8 ★ 3.5÷0.6－0.5÷0.6=3.5×（2.7－0.7） =32÷0.8＋5.6÷0.8 =(3.5－0.5)÷0.6=3.5×2 =40＋7 =3÷0.6=7 =47 =5（乘法分配律）（后2题类似分配律，但只适用于（a＋b）÷c和(a－b)÷c，而a÷(b＋c)和a÷(b－c)不能用。
小学数学五年级上册简便计算68道题(含详细规范标准答案)
小学数学五年级上册简便计算68道题(含详细规范标准答案)一、加减法简便计算1. 123 + 456 = 5792. 789 321 = 4683. 678 + 123 456 = 3454. 456 + 789 123 = 11225. 987 + 654 321 = 13206. 789 + 456 123 = 11227. 654 + 321 987 = 3128. 321 + 987 654 = 6549. 123 + 456 + 789 = 136810. 456 + 789 + 123 = 1368二、乘除法简便计算11. 7 × 8 = 5612. 9 ÷ 3 = 313. 12 × 13 = 15614. 15 ÷ 5 = 315. 18 × 19 = 34216. 21 ÷ 7 = 317. 24 × 25 = 60018. 27 ÷ 9 = 319. 30 × 31 = 93020. 33 ÷ 11 = 3三、混合运算简便计算21. 12 + 7 × 8 = 6822. 9 ÷ 3 + 6 = 723. 12 × 13 45 = 14124. 15 ÷ 5 + 8 = 725. 18 × 19 + 21 = 35726. 21 ÷ 7 4 = 127. 24 × 25 12 = 58828. 27 ÷ 9 + 3 = 629. 30 × 31 15 = 91530. 33 ÷ 11 2 = 1四、分数简便计算31. 1/2 + 1/3 = 5/632. 2/3 ÷ 1/4 = 8/333. 3/4 + 1/2 = 5/434. 4/5 ÷ 1/2 = 8/535. 5/6 + 1/3 = 7/636. 6/7 ÷ 1/4 = 24/737. 7/8 + 1/2 = 11/838. 8/9 ÷ 1/3 = 839. 9/10 + 1/5 = 13/1040. 10/11 ÷ 1/2 = 20/11五、小数简便计算41. 0.5 + 0.3 = 0.842. 0.6 ÷ 0.2 = 343. 0.7 × 0.8 = 0.5644. 0.4 ÷ 0.4 = 145. 0.9 + 0.1 = 146. 0.8 ÷ 0.2 = 447. 0.7 × 0.9 = 0.6348. 0.6 ÷ 0.3 = 249. 0.5 + 0.2 = 0.750. 0.4 ÷ 0.2 = 2六、百分数简便计算51. 20% + 30% = 50%52. 40% ÷ 20% = 253. 50% × 80% = 40%54. 25% + 75% = 100%55. 60% ÷ 30% = 256. 70% × 50% = 35%57. 80% + 20% = 100%58. 90% ÷ 10% = 959. 55% × 45% = 24.75%60. 65% + 35% = 100%七、方程简便计算61. 2x + 3 = 7，解得 x = 262. 3x 4 = 5，解得 x = 363. 4x + 5 = 9，解得 x = 164. 5x 6 = 4，解得 x = 265. 6x + 7 = 13，解得 x = 166. 7x 8 = 9，解得 x = 367. 8x + 9 = 17，解得 x = 168. 9x 10 = 11，解得 x = 3八、应用题简便计算69. 小华有10个苹果，小明有15个苹果，他们一共有多少个苹果？解：10 + 15 = 25个苹果。
小学数学五年级上册简便计算68道题(含详细答案)
小学数学五年级上册简便计算68道题（含详细答案）3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.57.325-3.29-3.325 7.325-(5.325+1.7) 7.325－(5.325－1.7)3.29+0.73-2.29+2.27 3.29×0.25×4 0.125×8.80.25×0.28 0.125×3.2×2.5 35×10.2 0.25×4÷0.25×4 3.5×9.9 3.5×99＋3.53.5×101-3.5 3.5×9.9+3.5×0.1 3.5×2.7+35×0.733.5×2.7-3.5×0.7 (32+5.6)÷0.8 3.5÷0.6-0.5÷0.64.9÷1.4 7÷0.25÷4 7÷0.1257.35÷(7.35×0.25) 7.35÷(7.35÷0.25)3.07－0.38－1.62 1.29＋3.7＋2.71＋6.38－2.45－1.55 3.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.2 0.32×4033.2＋0.36＋4.8＋1.64 1.23＋3.4－0.23＋6.6 0.25×3612.7－（3.7＋0.84）36.54－1.76－4.54 0.25×0.73×47.6×0.8＋0.2×7.6 0.85×199 0.25×8.5×41.28×8.6＋0.72×8.6 12.5×0.96×0.8 10.4－9.6×0.350.8×（4.3×1.25） 3.12＋3.12×99 28.6×101－28.6（4.23＋6.17）×0.8 0.86×15.7－0.86×14.7 2.4×10214－7.32－2.68 2.64＋8.67＋7.36＋11.33 2.31×1.2×0.5（2.5－0.25）×0.4 9.16×1.5－0.5×9.163.6－3.6×0.54.5÷1.8 930÷0.6÷5 63.4÷2.5÷0.4 4.25÷2.5×9.9＋0.173.9÷（1.3×5）（7.7＋1.54）÷0.72.5×2.4 2.7÷450.35×1.25×2×0.8 32.4×0.9＋0.1×32.415÷0.25 15÷（0.15×0.4）小学数学五年级上册简便计算练习（答案卷）一、归类练习：3.29＋0.73＋2.27 3.29－0.73－2.27 7.5＋2.5－7.5＋2.5=3.29＋（0.73＋2.27）=3.29－（0.73＋2.27） =（7.5－7.5）＋（2.5＋2.5）=3.29＋3 =3.29－3 =0＋5=6.29 =0.29 =5（加法结合律）（减法的性质）（同级运算交换）7.325－3.29－3.325 7.325－(5.325＋1.7) 7.325－(5.325－1.7)=7.325－3.325－3.29 =7.325－5.325－1.7 =7.325－5.325＋1.7=4－3.29 =2－1.7 =2＋1.7=0.71 =0.3 =3.7（减法交换）（减法的性质）（前面减号，脱括号变符号）3.29＋0.73－2.29＋2.27 3.29×0.25×4 0.125×8.8=（3.29－2.29）＋（0.73＋2.27） =3.29×（0.25×4）=0.125×8×1.1=1＋3 =3.29×1 =1×1.1=4 =3.29 =1.1（同级运算交换）（乘法结合律）（先拆数，乘法结合律）0.25×0.28 0.125×3.2×2.5 35×10.2=0.25×4×0.07 =（0.125×8）×（0.4×2.5）=35×（10＋0.2）=1×0.07 =1×1 =35×10＋35×0.2=0.07 =1 =350＋7（先拆数，乘法结合律）（拆数，乘法结合律） =357（拆数，乘法分配律）0.25×4÷0.25×4 3.5×9.9 3.5×99＋3.5=（0.25÷0.25）×（4×4）=3.5×（10－0.1）=3.5×（99＋1）=1×16 =3.5×10－3.5×0.1 =3.5×100=16 =35－0.35 =350（同级运算交换） =34.65 （乘法分配律）（拆数，乘法分配律）3.5×101－3.5 3.5×9.9＋3.5×0.1 ★ 3.5×2.7＋35×0.73=3.5×（101－1） =3.5×（9.9＋0.1）=3.5×2.7＋3.5×7.3=3.5×100 =3.5×10 =3.5×（2.7＋7.3）=350 =35 =3.5×10（乘法分配律）（乘法分配律） =35（先利用积不变的规律转化，然后再用乘法分配律）3.5×2.7－3.5×0.7 ★ (32＋5.6)÷0.8 ★ 3.5÷0.6－0.5÷0.6=3.5×（2.7－0.7） =32÷0.8＋5.6÷0.8 =(3.5－0.5)÷0.6=3.5×2 =40＋7 =3÷0.6=7 =47 =5（乘法分配律）（后2题类似分配律，但只适用于（a＋b）÷c和(a－b)÷c，而a÷(b＋c)和a÷(b－c)不能用。