6.12÷8.5-0.58怎么简便运算?
问题描述:
6.12÷8.5-0.58怎么简便运算?
答
6.12÷8.5-0.58
=(6.12-0.58*8.5)÷8.5
=(6.12-4.93)÷8.5
=1.19÷8.5
=0.14