五年级小数简便运算汇总(小试身手+易错+思维训练)

简便计算练习姓名：

一、小试身手

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

5.17-1.8-3.2 13.75-(3.75+

6.48) 35.6-1.8-15.6-

7.2

3.68+7.56-2.68 7.85+2.34-0.85+

4.66 3.82+2.9+0.18+9.1

7.14-0.53-2.47 13.35-4.68+2.65 73.8-1.64-13.8-5.36

5.27+2.86-0.66+1.63 15.75+3.59-0.59+14.25 6

6.86-8.66-1.34

0.25×16.2×4 3.6×102 (1.25-0.125)×8 36.8-3.9-6.1 3.72×3.5+6.28×3.5 7.09×10.8-0.8×7.09 4.8×100.1

15.6×13.1-15.6-15.6×2.1 320÷1.25÷8 4.2÷3.5

3.52÷2.5÷0.4 3.9-

4.1+6.1-

5.9 4.2×99+4.2

1.25×

2.5×32

3.65×10.1 0.89×100.1 15.2÷0.25÷4

4.36×12.5×8 27.5×3.7-7.5×3.7 8.54÷2.5÷0.4

3.2×0.25×12.5 (45.9-32.7)÷8÷0.125 5.6÷1.25÷0.8

3.14×0.68+31.4×0.032 10.7×16.1-15.1×10.7 0.79×199

*56.5×9.9+5.65 *4.8×7.8+78×0.52 *18.76×9.9+1.876

25.48-(9.4-0.52) 5.6÷3.5 9.6÷0.8÷0.4 0.49÷1.4 17.8÷(1.78×4) 146.5-(23+46.5) 3.83×4.56+3.83×5.44 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+3.9×7.3 18-1.8÷0.125÷0.8 12.7×9.9+1.27

21×（9.3-3.7）-5.6 15.02-6.8-1.02 5.4×11-5.4

2.3×16+2.3×23+2.3 9.43-（6.28-1.57）

3.65×

4.7-36.5×0.37

46×57+23×86 13.7×0.25-3.7÷4 2.22×9.9+6.66×6.7 101×0.87-0.91×87 （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÷0.25

15÷（0.15×0.4） 4.8+8.63+5.2+0.37 5.93+0.19+2.81

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

3.6+1.98

0.134+2.66+0.866 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 0.25×36

3.25+1.79-0.59+1.75 0 .32×403 0.85×199

3.2+0.36+

4.8+1.64 1.23+3.4-0.23+6.6 0.25×0.73×4 36.54-1.76-4.54 0.25×8.5×4 2.5×0.96×0.8 7.6×0.8+0.2×7.6 1.28×8.6+0.72×8.6 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 2.31×1.2×0.5

14-7.32-2.68 2.64+8.67+7.36+11.33 70÷28

（2.5-0.25）×0.4 9.16×1.5-0.5×9.16 3.6-3.6×0.5

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）

二、易错演练

0.25×16.2×4 3.72×3.5＋6.28×3.5

4.8×7.8＋78×0.52 3.6×102

4.8－4.8×0.5 (1.25－0.125)×8

4.8×100.1 56.5×9.9＋

5.65

7.09×10.8－0.8×7.09 4.2÷3.5

320÷1.25÷8 18.76×9.9＋1.876

3.52÷2.5÷0.4 0.49÷1.4

1.25×

2.5×32

3.65×10.1

3.6－3.6×0.8 15.2÷0.25÷4

4.2×99＋4.2 0.89×100.1 17.8÷(1.78×4) (4

5.9－32.7)÷8÷0.125

9.7×99＋9.7 4.36×12.5×8

三、思维拓展

(1)5.5×17.3＋6.7×5.5 (2)13.7×0.25×8

(3)32.8＋5.6＋7.2 (4)4.6×2.5×40

(5)12.5×3×3×8 (6)50×0.47×0.2

(7)101×7.(8)10.1×54

(9)42.6－2.77－7.23 (10)16.4－16.4×0.5 (11)2.18＋4.65＋7.82＋4.35 (12)12.48－2.72－3.28 (13)(250＋2.5)×4 (14)4×7×0.5×3×5 (15)(125＋1.25)×8 (16)775＋10.9＋9.1＋225