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5.3×6.3+2.3= 4.4×7.3+5.3=

4×8.8+1.5= 4.1×0.8-0.2=

9.9×1.4+0.6= 6.4×2.4+3.6=

12.48-4×9.7= 9.8×1.3-0.3=

4.8×9.1-0.5= 2.9+0.6×7.5=

4.2×1.8-0.1= 8.6×6.5+6.4=

5.59-3×4.3= 0.2×5.6+2.5=

3.053-0.1×5.3=

9.4×8.4+5.8= 0.5×4.6+7.1=

6.908-1.3×1.6= 2024.248-4.6×3.8=

13.596-9.1×5.6= 229.570.4×1.9=

11.259-2.1×7.9=

7.3+3.8×2.3= 1.8×9.6-1.7=

9.3+6.1×4.8= 27.5×5.7+5.8=

8.7×0.1-0.1= 8.999-1.7×4.7=

8.6×8.9+8= 1.7+0.3×7.6=

4.584-2.1×0.4= 9.8×4.3+9.6=

7.7×9.9+7.7= 8.7+3.4×9=

0.3+2.8×3.5= 5×1.1-0.2=

2.9×8.2+9.2= 3.9×1.7+0.5=

0.739-1.1×4.9= ) 0.3×0.9-0.1=

9.2+9×3.9= 8.8+0.6×0.1=

8.9×5.2+9.3= 4.8+3.1×9.1=

1.3×2.2-0.2= 0.9+8.3×8.3=

9.08-3×7.6= 1.288-3.2×0.9=

一、计算：

1、竖式计算（得数精确到百分位）

8.63×0.42 0.38×2.6

2、脱式计算（能简算的要简算）。

0.125×0.25×8×4 7.4×0.28+0.28×2.6

4.8×0.9+0.48 （4－0.4）×2.5

[（5.1－3.6）÷0.8－1]×0.09

2．（77.4－3.096÷0.4）÷0.03

3．30.1÷[（6.07＋2.53）×0.7]

4．0.94×2.5＋0.094×75

5．98.4×98＋98.4×2

6．9.28×13－9.28×4＋9.28

7．97.2÷[（54.8＋45.2）×（6－5.46）]

8．1.25×32

[8.5-（3.6+3.6）] ÷2.6 10.1×87 1.4×[（7.5+38.4）÷0