(精华版)小数加减乘除法简便运算练习题
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小数简便运算练习(一)班级姓名得分4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.53.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.553.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 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 9.16×1.5-0.5×9.16 3.6-3.6×0.5 4.5÷1.8 4.2÷3.5 930÷0.6÷5 63.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5)(7.7+1.54)÷0.7 2.5×2.4 2.7÷45 0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.2570÷28 15÷(0.15×0.4) 4.25÷2.5×9.9+0.17小数简便运算练习(二) 班级姓名得分4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25 42.5-(6.07+1.13) 73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×43.72×3.5+6.28×3.5 36.8-3.9-6.1 2 5.48-(9.4-0.52)4.8×7.8+78×0.52 3.6×102 6.4×0.25+3.6÷4 32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8 4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09 4.2÷3.5 320÷1.25÷8 18.76×9.9+18.763.52÷2.5÷0.44.78÷0.2+3.44 3.9-4.1+6.1-5.9 0.49÷1.4 1.25×2.5×32 3.6-0.6×2 3.65×10.1 3.6-3.6×0.8 15.2÷0.25÷4 5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2 0.89×100.1 146.5-(23+46.5) 17.8÷(1.78×4) 5.83×2+4.27 (45.9-32.7)÷8÷0.125 9.7×99+9.7 4.36×12.5×8 15.6×13.1-15.6-15.6×2.1 0.65×101 27.5×3.7-7.5×3.78.54÷2.5÷0.4 3.83×4.56+3.83×5.44小数乘法简便计算练习题班级姓名1、乘法交换律与结合律、分配率的运用。
(精华版)小数加减乘除法简便运算练习题
(精华版)⼩数加减乘除法简便运算练习题⼩数简便运算练习(⼀) 班级姓名得分4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5 3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55 3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32×403 3.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25×36 12.7-(3.7+0.84)36.54-1.76-4.54 0.25×0.73×4 7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×4 1.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.35 0.8×(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 9.16×1.5-0.5×9.16 3.6-3.6×0.5 4.5÷1.84.2÷3.5 930÷0.6÷5 63.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5)(7.7+1.54)÷0.7 2.5×2.4 2.7÷45 0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.2570÷28 15÷(0.15×0.4) 4.25÷2.5×9.9+0.17⼩数简便运算练习(⼆) 班级姓名得分4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25 42.5-(6.07+1.13) 73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×43.72×3.5+6.28×3.5 36.8-3.9-6.1 2 5.48-(9.4-0.52)4.8×7.8+78×0.52 3.6×102 6.4×0.25+3.6÷4 32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8 4.8×100.1 56.5×9.9+56.57.09×10.8-0.8×7.09 4.2÷3.5 320÷1.25÷8 18.76×9.9+18.760.49÷1.4 1.25×2.5×32 3.6-0.6×23.65×10.1 3.6-3.6×0.8 15.2÷0.25÷45.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.20.89×100.1 146.5-(23+46.5) 17.8÷(1.78×4)5.83×2+4.27 (45.9-32.7)÷8÷0.125 9.7×99+9.74.36×12.5×8 15.6×13.1-15.6-15.6×2.1 0.65×10127.5×3.7-7.5×3.7 8.54÷2.5÷0.4 3.83×4.56+3.83×5.44⼩数乘法简便计算练习题班级姓名⼩数乘法的简便计算的⽅法:1、乘法交换律与结合律、分配率的运⽤。
小数加减乘除及简便计算习题
小数加减乘除及简便计算习题一、小数加法4.12+8.59+5.88+1.41 12.87-1.34-2.66 21.53+4.87-2.53 15.21+(4.79-2.8) 12.19-2.6-2.19-3.4 109.72-(5.62+9.72) 21.3-19.9 39.6-(18.31+9.6) -1.69 14.25-2.45+5.75-3.55 24.51-3.14-6.86+4.49 41.25+5.87-3.87+4.65 11.5+8.5-11.5+8.5 8.13-(12.25-11.87) 34.34-2.1-2.35-5.55 81.67+4.17+4.33-2.17 1.35+12.87-1.37+8.65 15.51-3.334-(2.666-4.49) 21.62-4.35+8.38-5.65二、小数乘法和混合运算0.125×3.69×8 (2.5-0.25) ×4 8.59×101 0.36×15.7-0.36×13.7 5.64×1.28+8.72×5.64 0.63×199 60÷48 7.73×0.5+2.27÷2 4.37+99×4.37 10.1×38.67-3.867 9.9÷5.5 8.63×25-0.063×250 9.3×10.1 3.99÷0.125÷8 0.99×0.81+0.11×9×0.19 (5.23+5.23+5.23+5.23) ×25 0.25×1.25×0.67×32 2.49×3.8+0.249×6233.41÷4-3.41×0.25 54.8-0.3×0.3-3.91 (6.4+48) ÷0.8 15×9.7 2.5×(4+8) ×12.5 0.25×8×2.12 (12.5-1.25)×8 5.7×18.34-57×0.834 3.87×4.12+5.88×3.87 8.8÷5.5 3.25×1995.64+99×5.64 20.1×35.22-3.522 5.2×20.13.7×1.63-0.37×15.3 0.88×0.78+0.11×0.22×0.82.5×(4.21+4.21+8.42) 1.25×1.86×32×0.254.34×0.25+0.25×5.56+0.025 (7.2+54) ÷0.92.73×0.125+7.27÷8 56.34÷2-6.34×0.511.43÷0.8÷12.5 12×19.8 21.56-0.4×0.4-3.8480÷32 7.56×101 1.25×2.5×(8+4)三、应用题1.判断题苹果每千克3.5元,买0.5千克苹果的价钱一定比3.5元少. ( )2.单选题两个数的积,由212.5变为2.125,其中的一个因数不变,另一个因数应 [ ]A.缩小100倍B.扩大100倍C.不变3.不计算,在下面各式的□里填上">"、"<"或"=".34×0.98□34 0.6×1.01□0.60.02×1□0.02 789×1.001□7893.5×5.3□5.3×3.54.8×0.999□4.8×1.01 4.4.75的十分之八是多少?5.花布每米7.25元,买5.6米,应付多少元?(要写竖式)6、填空题。
(精华版)小数加减乘除法简便运算练习题
(精华版)小数加减乘除法简便运算练习题(精华版)小数加减乘除法简便运算练习题1. 小数加法练习题题目1:计算:3.25 + 2.18解答:将数位对齐,按位相加3.25+ 2.18-------5.43题目2:计算:4.37 + 0.52解答:将数位对齐,按位相加4.37+ 0.52-------4.89题目3:计算:2.99 + 6.87解答:将数位对齐,按位相加2.99-------9.862. 小数减法练习题题目1:计算:7.62 - 1.25解答:将数位对齐,按位相减 7.62- 1.25-------6.37题目2:计算:9.36 - 2.47解答:将数位对齐,按位相减 9.36- 2.47-------6.89题目3:计算:5.78 - 3.42解答:将数位对齐,按位相减- 3.42-------2.363. 小数乘法练习题题目1:计算:1.5 × 0.4解答:将小数乘法转化为整数乘法15 × 4 = 60向左移动小数点一位,得到结果:0.6题目2:计算:2.75 × 1.6解答:将小数乘法转化为整数乘法275 × 16 = 4400向左移动小数点两位,得到结果:4.4题目3:计算:3.12 × 0.08解答:将小数乘法转化为整数乘法312 × 8 = 2496向左移动小数点两位,得到结果:0.2496 4. 小数除法练习题题目1:计算:3.75 ÷ 0.5解答:将小数除法转化为整数除法375 ÷ 50 = 7.5题目2:计算:6.4 ÷ 2解答:将小数除法转化为整数除法64 ÷ 20 = 3.2题目3:计算:1.92 ÷ 0.4解答:将小数除法转化为整数除法192 ÷ 4 = 48通过以上练习题,我们可以发现小数的加减乘除法运算并不难,只需要将数位对齐,按位进行运算即可。
小数加减乘除法简便运算练习题
小数简便运算练习(一)班级姓名得分4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5 +4.9 -6.5 3.07 -0.38 -1.62 1.29 +3.7+2.71 +6.3 8 -2.45-1.553.25 +1.79 -0.59 +1.75 23.4 -0.8 -13.4 -7.2 0.32 ×4033.2 +0.36 +4.8 +1.23 +3.4-0.23 +6.6 0.25 ×361.6412.7 -( 3.7 +36.54 -1.76 -4.54 0.25 ×0.73 ×4 0.84 )7.6 ×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 ×0.354.23 +6.17 )×0.8 0.86 ×15.7 -0.86 × 14.7 2.4 ×102 0.8 ×(4.3 ×1.25 ) 3.12 +3.12 ×99 28.6 ×101-28.6+8.67 +7.36 +11.33 2.31 ×1.2×0.5 14-7.32 -2.68 2.642.5 -0.25 )× 0.4 9.16 ×1.5 -0.5 ×9.163.6 -3.6 ×0.54.5 ÷1.8 4.2 ÷3.5 930 ÷0.6 ÷ 5 63.4 ÷2.5 ÷0.4 4.9 ÷1.4 3.9 ÷(1.3 ×5)7.7 +1.54 )÷0.7 2.5 ×2.4 2.7 ÷45 0.35 ×1.25 ×2×0.8 32.4 ×0.9+0.1 ×32.4 15 ÷0.2570÷28 15 ÷(0.15 ×0.4 ) 4.25 ÷2.5 ×9.9 +0.17小数简便运算练习(二)班级姓名得分4.02+5.4+0.985.17-1.8-3.2 13.75-(3.75+6.48)3.52÷2.5÷ 0.44.78÷0.2+3.44 3.9- 4.1+6.1-5.93.68+7.56-2.687.85+2.34-0.85+4.6635.6-1.8-15.6-7.23.82+2.9+ 0.18+9.1 9.6+4.8- 3.67.14-0.53-2.475.27+2.86-0.66+1.63 13.35-4.68+ 2.65 47.8-7.45+8.80.398+0.36+3.64 15.75+3.59- 0.59+14.2542.5-(6.07+1.13)73.8-1.64-13.8-5.3666.86-8.66-1.34 0.25×16.2×43.72×3.5+6.28×3.536.8- 3.9-6.1 25.48-(9.4-0.52)4.8× 7.8+78× 0.52 3.6×102 6.4×0.25+3.6÷432+4.9- 0.9 4.8-4.8×0.5(1.25-0.125)×8 4.8×100.156.5×9.9+ 56.57.09×10.8-0.8×7.094.2÷ 3.5 320÷ 1.25÷ 8 18.76×9.9+18.760.49÷1.4 1.25×2.5×32 3.6-0.6×215.6× 13.1-15.6-15.6× 2.1 0.65×101小数乘法简便计算练习题 班级小数乘法的简便计算的方法:1、乘法交换律与结合律、分配率的运用。
小数加减乘除及简便计算习题
小数加减乘除及简便计算习题一、小数加法4.12+8.59+5.88+1.41 12.87-1.34-2.66 21.53+4.87-2.53 15.21+(4.79-2.8) 12.19-2.6-2.19-3.4 109.72-(5.62+9.72) 21.3-19.9 39.6-(18.31+9.6) -1.69 14.25-2.45+5.75-3.55 24.51-3.14-6.86+4.49 41.25+5.87-3.87+4.65 11.5+8.5-11.5+8.5 8.13-(12.25-11.87) 34.34-2.1-2.35-5.55 81.67+4.17+4.33-2.17 1.35+12.87-1.37+8.65 15.51-3.334-(2.666-4.49) 21.62-4.35+8.38-5.65二、小数乘法和混合运算0.125×3.69×8 (2.5-0.25) ×4 8.59×101 0.36×15.7-0.36×13.7 5.64×1.28+8.72×5.64 0.63×199 60÷48 7.73×0.5+2.27÷2 4.37+99×4.37 10.1×38.67-3.867 9.9÷5.5 8.63×25-0.063×250 9.3×10.1 3.99÷0.125÷8 0.99×0.81+0.11×9×0.19 (5.23+5.23+5.23+5.23) ×25 0.25×1.25×0.67×32 2.49×3.8+0.249×6233.41÷4-3.41×0.25 54.8-0.3×0.3-3.91 (6.4+48) ÷0.8 15×9.7 2.5×(4+8) ×12.5 0.25×8×2.12 (12.5-1.25)×8 5.7×18.34-57×0.834 3.87×4.12+5.88×3.87 8.8÷5.5 3.25×1995.64+99×5.64 20.1×35.22-3.522 5.2×20.13.7×1.63-0.37×15.3 0.88×0.78+0.11×0.22×0.82.5×(4.21+4.21+8.42) 1.25×1.86×32×0.254.34×0.25+0.25×5.56+0.025 (7.2+54) ÷0.92.73×0.125+7.27÷8 56.34÷2-6.34×0.511.43÷0.8÷12.5 12×19.8 21.56-0.4×0.4-3.84 80÷32 7.56×101 1.25×2.5×(8+4)三、应用题1.判断题苹果每千克 3.5元,买0.5千克苹果的价钱一定比 3.5元少. ( )2.单选题两个数的积,由212.5变为2.125,其中的一个因数不变,另一个因数应 [ ]A.缩小100倍B.扩大100倍C.不变3.不计算,在下面各式的□里填上">"、"<"或"=".34×0.98□34 0.6×1.01□0.60.02×1□0.02 789×1.001□7893.5×5.3□5.3×3.54.8×0.999□4.8×1.01 4.4.75的十分之八是多少?5.花布每米7.25元,买5.6米,应付多少元?(要写竖式)6、填空题。
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小数简便运算练习(一) 班级姓名得分4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5 3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55 3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32×403 3.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25×36 12.7-(3.7+0.84) 36.54-1.76-4.54 0.25×0.73×4 7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×4 1.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.35 0.8×(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 9.16×1.5-0.5×9.16 3.6-3.6×0.5 4.5÷1.8 4.2÷3.5 930÷0.6÷5 63.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5)(7.7+1.54)÷0.7 2.5×2.4 2.7÷45 0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.2570÷28 15÷(0.15×0.4) 4.25÷2.5×9.9+0.17小数简便运算练习(二) 班级姓名得分4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25 42.5-(6.07+1.13) 73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×43.72×3.5+6.28×3.5 36.8-3.9-6.1 2 5.48-(9.4-0.52)4.8×7.8+78×0.52 3.6×102 6.4×0.25+3.6÷4 32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8 4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09 4.2÷3.5 320÷1.25÷8 18.76×9.9+18.760.49÷1.4 1.25×2.5×32 3.6-0.6×23.65×10.1 3.6-3.6×0.8 15.2÷0.25÷45.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.20.89×100.1 146.5-(23+46.5) 17.8÷(1.78×4)5.83×2+4.27 (45.9-32.7)÷8÷0.125 9.7×99+9.74.36×12.5×8 15.6×13.1-15.6-15.6×2.1 0.65×10127.5×3.7-7.5×3.7 8.54÷2.5÷0.4 3.83×4.56+3.83×5.44小数乘法简便计算练习题班级姓名小数乘法的简便计算的方法:1、乘法交换律与结合律、分配率的运用。
(整数的运算定律在小数中同样适用)2、表面上看来,左右两边没有相同的因数,不能使用乘法分配律。
我们可以通过变一0.25×8.5×4 12.5×0.96×0.8 0.25×0.73×4 4.36×12.5×80.25×16.2×4 1.25×2.5×32 3.2×0.25×12.5 0.25×36(1.25-0.125)×8 4.8×10.1 3.6×102 0.39×199 0.32×403 3.65×10.1 0.85×9.9 3.72×3.5+6.28×3.5 15.6×2.1-15.6×1.1 4.8×7.8+78×0.52 56.5×99+56.5 7.09×10.8-0.8×7.09 1.87×9.9+0.187 4.2×99+4.23.8×4.56+3.83×5.44 9.7×99+9.7 27.5×3.7-7.5×3.73.14×0.68+31.4×0.032 7.2×0.2+2.4×1.4 5.4×11-5.47.74×(2.8-1.3)+1.5×2.26 3.9×2.7+3.9×7.3 12.7×9.9+1.27 2.3×16+2.3×23+2.3 3.65×4.7 -36.5×0.37 101×0.87-0.91×87 46×57+23×86 10.7×16.1-15.1×10.7 7.6×0.8+0.2×7.6 1.28×8.6+0.72×8.6 10.6×0.35-9.6×0.35 8.9×1.01 0.65×101 48×0.56+44×0.48 0.279×343+0.657×279 0.264×519+264×0.4819.16×1.53-0.053×91.6 0.125×96 12.5×10.8 (20-4)×0.2545×21-50×2.1 45×1.58+5.5×15.8 25×7.3×0.4小数乘法的简便运算姓名学号成绩一、乘法交换律与结合律的运用。
4.56×0.4×2.5 12.5×2.7×0.8 12.5×32×0.252.5×32 12.5×56 25×0.36二、乘法分配律的运用。
0.25×10.4 12.5×8.8 99×0.353.7×1.8-2.7×1.8 95.7×0.28+6.3×0.28-0.28×2 1.08×9+1.08三、比较乘法结合律与分配律在简便运算时的区别(下面各题用不同的方法简算)。
12.5×88 12.5×88 0.25×48 0.25×48四、48×0.56+44×9.16×1.53-0.053×91.6 314×0.043+3.14×7.2-31.4×0.15五、用自己喜欢的方法做一做。
53×10.1 4.2×6.51+3.49×4.2 25×7.3×0.40.125×96 12.5×10.8 (20-4)×0.2545×21-50×2.1 45×1.58+5.5×15.8 9.99×2.22+3.33×3.343.7×1.4×0.05 72×0.81+10.4 1.4×25+3.451.5×102 1.25×0.7×0.82.7×3.7+0.37×738.7×99 0.8×(12.5 – 1.25) 1.25×0.4×80×2.5①甲有存款4000元,乙有存款2400元,乙从存款中取出一些后,甲的存款正好是乙现在的5倍。
乙取出多少元钱?②有一堆煤,如果用甲种车一次运完,需要36辆; 如果用乙种车一次运完,需要45辆。
已知甲种车比乙种车每辆多运1.5吨。
问这批煤共有多少吨?小数乘法简便计算6.9+4.8+3.1 47.8-7.45+8.8 0.398+0.36+3.649.6+4.8-3.6 5.17-1.8-3.2 4.02+5.4+0.98 3.68+7.56-2.68 0.25×16.2×4 5.27+2.86-0.66+1.63 73.8-1.64-13.8-5.36 15.75+3.59-0.59+14.257.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 0.456+6.22+3.78 15.89+(6.75-5.89) 13.75-(3.75+6.48) 3.6×10266.86-8.66-1.34(1.25-0.125)×813.35-4.68+2.657.14-0.53-2.473.72×3.5+6.28×3.5 36.8-3.9-6.14.8×7.8+78×0.5256.5×9.9+56.515.6×13.1-15.6-15.6×2.1 4.8×100.1 7.09×10.8-0.8×7.09 32+4.9-0.925.48-(9.4-0.52) 4.2÷3.5 320÷1.25÷818.76×9.9+18.763.52÷2.5÷0.4 3.9-4.1+ 6.1-5.9 5.6÷3.5 9.6÷0.8÷0.44.2×99+4.2 17.8÷(1.78×4)0.49÷1.4 1.25×2.5×323.65×10.1 15.2÷0.25÷4 0.89×100.1 146.5-(23+46.5)3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.7 8.9×1.0127.5×3.7-7.5×3.7 8.54÷2.5÷0.4 0.65×1013.2×0.25×12.5(45.9-32.7)÷8÷0.125 3.14×0.68+31.4×0.0325.6÷1.25÷0.8÷2.5÷0.47.2×0.2+2.4×1.4 7.74×(2.8-1.3)+1.5×2.26 3.9×2.7+3.9×7.318-1.8÷0.125÷0.8 12.7×9.9+1.2721×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.42.3×16+2.3×23+2.3 9.43-(6.28-1.57)3.65×4.7-36.5×0.3746×57+23×86 13.7×0.25-3.7÷4 2.22×9.9+6.66×6.7 101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×1994.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.53.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.553.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 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 0.25×8.5×4 1.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.35 0.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.6 0.86×15.7-0.86×14.7 2.4×102 2.31×1.2×0.514-7.32-2.68 2.64+8.67+7.36+11.33 70÷28(2.5-0.25)×0.4 9.16×1.5-0.5×9.16 3.6-3.6×0.563.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5)(7.7+1.54)÷0.7 2.5×2.4 2.7÷45 15÷(0.15×0.4)0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.254.5÷1.8 4.2÷3.5 930÷0.6÷5小数乘除法简便计算专项练习班级:姓名:一、计算1.25×3.2×0.25 4.7×1.25×1.61.25×881.25×6.4×0.25 4.6×0.35+4.6×0.652.55×1.5+1.5+6.45×1.5 2.95×101-2.9512.5×5×0.163.2×10.1 0.52×105 10.01×4.559÷0.251.8×0.9+0.18 5.4×0.68+3.4×2×0.46 8.9×9.9+11×0.99(1.25+0.25)×16 23.9-0.6×0.6-0.64 3.7×0.44×2.59.73÷12.5÷0.8 7.8×4.86÷3.9 1.9×8.8+0.8828.9×4÷289 0.7777×0.7+0.1111×2.1888×1.6+222×3.692×0.9+7.2 4.8×7.8+78×0.52 1.87×9.9+0.1873.14×0.68+31.4×0.032 7.2×0.2+2.4×1.44.2×98+8.47.74×(2.8-1.3)+1.5×2.26 12.7×9.9+1.272.3×16+2.3×23+2.33.65×4.7-36.5×0.374.6×57+2.3×86 2.22×9.9+6.66×6.7 101×0.87-0.91×87二、填空1、已知25.16÷0.37=68,直接写出下列各式的得数。