0.125+0.4+7/8+3/5简便算
问题描述:
0.125+0.4+7/8+3/5简便算
答
0.125+0.4+7/8+3/5
=0.125+0.4+0.875+0.6
=(0.125+0.875)+(0.4+0.6)
=1+1
=2