0.34×12.5+0.125×66怎么简便计算
问题描述:
0.34×12.5+0.125×66怎么简便计算
答
0.34×12.5+0.125×66
=3.4*1.25+1.25*6.6
=1.25(3.4+6.6)
=1.25*10
=12.5