简便计算:0.5*······*0.5(100个0.5)*2*······*2(100个2)怎么做?

问题描述:

简便计算:0.5*······*0.5(100个0.5)*2*······*2(100个2)怎么做?

=0.5*2(100个0.5*2)=1×1(100个1)=1