问题描述:
用简便方法计算:100.01*2.7= 0.42*160+36*1.6-34*3.2= 32*0.25*12.5*0.2*5= 11*22+0.22*3300+330*4.4=
0.5*0.8*0.04*1.25*0.2*0.025= 0.92*54+0.46*92=
0.5*0.8*0.04*1.25*0.2*0.025= 0.92*54+0.46*92=
问题解答:
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