2.14乘6.5加2.14乘2.5加2.14的简便计算
问题描述：
2.14乘6.5加2.14乘2.5加2.14的简便计算
答
2.14*10=24
答
2.14×6.5+2.14×2.5+2.14=2.14×(6.5+2.5+1)=2.14×10=21.4
答
2.14乘（6.5+2.5+1）
答
原式等于2.14乘以6.5加2.5加1的和
等于2.14乘以10
等于21.4
答
2.14*6.5+2.14*2.5+2.14
=2.14*(6.5+2.5+1)
=2.14*10
=21.4