数学题递等式题!2.22×3.6+8.88×1.6

问题描述:

数学题递等式题!2.22×3.6+8.88×1.6
怎样简便就怎样算

2.22*3.6+2.22*4*1.6
=2.22*3.6+2.22*6.4
=2.22*(3.6+6.4)
=2.22*10
=22.2