0.36*72+36*0.28简便运算30分钟内要!

问题描述:

0.36*72+36*0.28简便运算
30分钟内要!

0.36*72+36*0.28
=36*0.72+36*0.28
=36*(0.72+0.28)
=36*1
=36

0.36*72+36*0.28
=0.36*72+0.36*28
=0.36*(72+28)
=0.36*100
=36