1.25×37.9+12.5×2.17+125×0.204=(简便运算)
问题描述:
1.25×37.9+12.5×2.17+125×0.204=(简便运算)
答
原式等于12.5×3.79+12.5×2.17+12.5×2.04
=12.5×(3.79+2.17+2.04)
=12.5×8
=100