0.25×6.3+2.5×0.37简便运算
问题描述:
0.25×6.3+2.5×0.37简便运算
答
0.25×6.3+2.5×0.37
=0.25×6.3+0.25×3.7
=0.25×(6.3+3.7)
=0.25×10
=2.5