第2个回答 2014-01-02
7.2+2.8=13 0.9÷0.01=90 3.5+7.6=11.1
3×0.2×0.5=0.3 0.96÷0.3=3.2 1.5×0.4=0。6
7÷0.25=28 2.5×0.7×0.8=1.4 8-2.5=5.5
16÷1.6=100 5.6×1.01=56.56 8×(2.5+0.25)=22
0.36+0.64=1 64.32÷16=4.02 72.8÷0.8=91
8.4×0.2+1.6×0.2=2 8.4÷4.2=2 0.05×0.8=0.04
2.56-0.37=2.19 1.25×0.8×0.5=0.5