小数简便运算练习题

篇一:小数简便计算练习题六套题

小数简便计算练习一

小数简便计算的方法:(整数的运算定律在小数中同样适用) 1、加法交换律与结合律的运用。 2、乘法交换律与结合律的运用。 下面各题怎样算简便就怎样算。 (一)小数加减法计算

3.2+0.36+4.8+1.640.456

1.29+3.7+2.71+6.3

73.8-1.64-13.8-5.367.14

35.6-1.8-15.6-7.2 66.86

+6.22+3.78 6.9 0.398+0.36+3.64 4.02-0.53-2.47 5.17-8.66-1.3436.8+4.8+3.1 +5.4+0.98 -1.8-3.2 -3.9-6.1

7.85+2.34-0.85+4.66 13.35-4.68+2.659.6+4.8-3.6

5.27+2.86-0.66+1.63 3.68

(二)小数乘除法计算

0.25×16.2×4 320

3.52÷2.5÷0.4 9.6

3.2×0.25×12.515

8.54÷2.5÷0.4 0.25+7.56-2.68 47.8÷1.25÷83.9÷0.8÷0.4 2.5÷(0.15×0.4)×0.73×4 4.6

-7.45+8.8 ÷(1.3×5)×2.4 ÷45÷3.5

2.7

小数简便计算练习二

小数简便计算的方法:(整数的运算定律在小数中同样适用) 1、加法交换律与结合律的运用。 2、乘法交换律与结合律的运用。 下面各题怎样算简便就怎样算。 (一)小数加减法计算3.82+2.9+0.18+9.11.27+3.9+0.73+16.1

2.64+8.67+7.36+11.330.134+2.66+0.866

23.4-0.8-13.4-7.2 15.02-6.8-1.028

3.25+1.79-0.59+1.75 1.23

+3.4-0.23+6.6 7.51.57+0.245+7.43 1.76+0.195+3.24 -2.45-1.55 +4.9-6.5

13.75-(3.75+6.48)15.89+(6.75-5.89)12.7-(3.7+0.84)

(二)小数乘除法计算

0.8×(4.3×1.25)4.36

320÷1.25÷817.8

12.5×0.96×0.8

0.35×(1.25×2)×0.863.4

×12.5×8 ÷(1.78×4)4.51.25×2.5×324.9

÷2.5÷0.4 0.25

0.25×0.73×4 ÷1.8 ÷1.4 ×36

小数简便计算练习三

小数简便计算的方法:(整数的运算定律在小数中同样适用) 1、加法交换律与结合律的运用。 2、乘法交换律与结合律的运用。 下面各题怎样算简便就怎样算。 (一)小数加减法计算2.35+1.713+0.287+7.65

67.34+21.56+2.66+8.44

15.75+3.59-0.59+14.253.9

25.48-(9.4-0.52) 9.43-

4.8+8.63+5.2+0.370.74+19.16+9.26+0.82-4.1+6.1-5.914(6.28-1.57) 146.55.93+0.19+2.81 6.02+3.6+1.98 -7.32-2.68 -(23+46.5)

篇二:小数简便计算练习题

五年级数学简便计算练习卷

下面各题怎样算简便就怎样算。

(1)小数加减法计算

6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)

4.02+5.4+0.98 5.17-1.8-3.213.75-(3.75+6.48)

3.68+7.56-2.68 7.85+2.34-0.85+4.6635.6-1.8-15.6-7.2

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 73.8-1.64-13.8-5.36

47.8-7.45+8.80.398+0.36+3.64 15.75+3.59-0.59+14.25

66.86-8.66-1.34 36.8-3.9-6.1 32+4.9-0.9

25.48-(9.4-0.52) 3.9-4.1+6.1-5.9 15.02-6.8-1.02

32+4.9-0.9 146.5-(23+46.5) 9.43-(6.28-1.57)

4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24

2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6(转载自:www.xiaocaOfaNWen.com 小草 范 文 网:小数简便运算练习题)+1.98

0.134+2.66+0.8661.27+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+1.7523.4-0.8-13.4-7.2 3.2+0.36+4.8+1.64

1.23+3.4-0.23+6.6 12.7-(3.7+0.84) 36.54-1.76-4.54

14-7.32-2.68 2.64+8.67+7.36+11.33

(2)小数乘法计算

0.25×16.2×4 (1.25-0.125)×8 3.6×102 320÷1.25÷8

3.72×3.5+6.28×3.51 4.8×7.8+78×0.52 0.8×100.1

5.6×13.1-15.6-15.6×2.14.2÷3.5 7.09×10.8-0.8×7.09

18.76×9.9+18.76 3.52÷2.5÷0.456.5×9.9+56.5

515.6×13.1-15.6-15.6×2.14.8×7.8+78×0.524.2÷3.5

4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09

18.76×9.9+18.763.52÷2.5÷0.4 320÷1.25÷8

9.6÷0.8÷0.4 4.2×99+4.215.2÷0.25÷40.89×100.1

17.8÷(1.78×4)0.49÷1.4 1.25×2.5×32 3.65×10.1

3.83×4.56+3.83×5.449.7×99+9.7 3.14×0.68+31.4×0.032

27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5

(45.9-32.7)÷8÷0.125 5.6÷1.25÷0.8÷2.5÷0.4 4.36×12.5×8

7.2×0.2+2.4×1.4 8.9×1.01 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+1.27

21×(9.3-3.7)-5.65.4×11-5.4 4.5÷1.84.2÷3.5

63.4÷2.5÷0.4 4.9÷1.43.9÷(1.3×5) 930÷0.6÷5

7.7+1.54)÷0.72.5×2.4 2.7÷45 15÷(0.15×0.4)

0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.25

(2.5-0.25)×0.49.16×1.5-0.5×9.163.6-3.6×0.5 70÷28

0.8×(4.3×1.25)3.12+3.12×9928.6×101-28.6

0.86×15.7-0.86×14.7 2.4×102 2.31×1.2×0.5

7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×44.6÷3.5

1.28×8.6+0.72×8.6 12.5×0.96×0.810.4-9.6×0.350.25×36

0.25×0.73×4 0.32×40346×57+23×86 0.79×199

13.7×0.25-3.7÷4 2.22×9.9+6.66×6.72.3×16+2.3×23+2.3

101×0.87-0.91×87 10.7×16.1-15.1×10.73.65×4.7-36.5×0.37

篇三:小数简便计算练习题

五年级数学简便计算练习卷

下面各题怎样算简便就怎样算。

(1)小数加减法计算

6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)

4.02+5.4+0.98 5.17-1.8-3.213.75-(3.75+6.48)

3.68+7.56-2.68 7.85+2.34-0.85+4.6635.6-1.8-15.6-7.2

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 73.8-1.64-13.8-5.36

47.8-7.45+8.80.398+0.36+3.64 15.75+3.59-0.59+14.25

66.86-8.66-1.34 36.8-3.9-6.1 32+4.9-0.9

25.48-(9.4-0.52) 3.9-4.1+6.1-5.9 15.02-6.8-1.02

32+4.9-0.9 146.5-(23+46.5) 9.43-(6.28-1.57)

4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24

2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98

0.134+2.66+0.8661.27+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+1.7523.4-0.8-13.4-7.2 3.2+0.36+4.8+1.64

1.23+3.4-0.23+6.6 12.7-(3.7+0.84) 36.54-1.76-4.54

14-7.32-2.68 2.64+8.67+7.36+11.33

(2)小数乘法计算

0.25×16.2×4 (1.25-0.125)×8 3.6×102 320÷1.25÷8

3.72×3.5+6.28×3.51 4.8×7.8+78×0.52 0.8×100.1

5.6×13.1-15.6-15.6×2.14.2÷3.5 7.09×10.8-0.8×7.09

18.76×9.9+18.76 3.52÷2.5÷0.456.5×9.9+56.5

515.6×13.1-15.6-15.6×2.14.8×7.8+78×0.524.2÷3.5

4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09

18.76×9.9+18.763.52÷2.5÷0.4 320÷1.25÷8

9.6÷0.8÷0.4 4.2×99+4.215.2÷0.25÷40.89×100.1

17.8÷(1.78×4)0.49÷1.4 1.25×2.5×32 3.65×10.1

3.83×4.56+3.83×5.449.7×99+9.7 3.14×0.68+31.4×0.032

27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5

(45.9-32.7)÷8÷0.125 5.6÷1.25÷0.8÷2.5÷0.4 4.36×12.5×8

7.2×0.2+2.4×1.4 8.9×1.01 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+1.27

21×(9.3-3.7)-5.65.4×11-5.4 4.5÷1.84.2÷3.5

63.4÷2.5÷0.4 4.9÷1.43.9÷(1.3×5) 930÷0.6÷5

7.7+1.54)÷0.72.5×2.4 2.7÷45 15÷(0.15×0.4)

0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.25

(2.5-0.25)×0.49.16×1.5-0.5×9.163.6-3.6×0.5 70÷28

0.8×(4.3×1.25)3.12+3.12×9928.6×101-28.6

0.86×15.7-0.86×14.7 2.4×102 2.31×1.2×0.5

7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×44.6÷3.5

1.28×8.6+0.72×8.6 12.5×0.96×0.810.4-9.6×0.350.25×36

0.25×0.73×4 0.32×40346×57+23×86 0.79×199

13.7×0.25-3.7÷4 2.22×9.9+6.66×6.72.3×16+2.3×23+2.3

101×0.87-0.91×87 10.7×16.1-15.1×10.73.65×4.7-36.5×0.37