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= 2011.248-4.6×3.8=
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）÷0.9]
