8.8*0.1*12.5 简便计算
问题描述:
8.8*0.1*12.5 简便计算
答
8.8×0.1×12.5=1.1×0.1×8×12.5
=1.1×0.1×100
=11
答
8.8*0.1*12.5
=(8+0.8)*1.25
=8*1.25+0.8*1.25
=10+1
=11
答
原式=(8+0.8)*12.5*0.1=(100+10)*0.1=110*0.1=11