6.66*9.37+2.22*61.37+4.44*5.26的简便算法

问题描述:

6.66*9.37+2.22*61.37+4.44*5.26的简便算法

6.66*9.37+2.22*61.37+4.44*5.26
=2.22*28.11+2.22*61.37+2.22*10.52
=2.22*(28.11+61.37+10.52)
=2.22*100
=222