(0.13+0.13+0.14+0.12)*0.5简便方法计算
问题描述:
(0.13+0.13+0.14+0.12)*0.5简便方法计算
答
(0.13+0.13+0.14+0.12)*0.5
=0.13*4*0.5
=0.13*2
=0.26