37.8*4.4+37.8*1.6+37.8*4 简便计算.
问题描述:
37.8*4.4+37.8*1.6+37.8*4 简便计算.
答
37.8*4.4+37.8*1.6+37.8*4
= 37.8*(4.4 + 1.6 + 4)
= 37.8*10
= 378
答
37.8*4.4+37.8*1.6+37.8*4
=37.8*(4.4+1.6+4)
=37.8*10
=378