72*0.18+10.4简便方法计算
问题描述:
72*0.18+10.4简便方法计算
答
72×0.81+10.4
=7.2×8.1+10.4
=7.2×8+7.2×0.1+10.4
=57.6+0.72+10.4
=68+0.72
=68.72
以上回答你满意么?