(3.24+3.24+3.24+3.24)*2.5的简便计算大神们帮帮忙

问题描述:

(3.24+3.24+3.24+3.24)*2.5的简便计算大神们帮帮忙

4*3.24*2.5=4*2.5*3.24=10*3.24=32.4