口算下面各题．
0.12×0.6= 4.5+0.76= 2x﹣0.72= 2.1÷2=
3.6÷0.09= 7.5×0.4= 3.8a+1.02a= 9.6÷0.06=
3.57÷0.7= 3.2×0.5= 0.4×0.3×2.5= 4.8+6.3+5.2=
口算下面各题．
0.12×0.6= 4.5+0.76= 2x﹣0.72= 2.1÷2=
3.6÷0.09= 7.5×0.4= 3.8a+1.02a= 9.6÷0.06=
3.57÷0.7= 3.2×0.5= 0.4×0.3×2.5= 4.8+6.3+5.2=
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