6.4×0.25+3.6÷4简便算法
问题描述:
6.4×0.25+3.6÷4简便算法
答
6.4×0.25+3.6÷4
=6.4×1/4+3.6÷4
=6.4÷4+3.6÷4
=(6.4+3.6)÷4
=10÷4
=2.5