2÷2.4+1.6×0.5的混合运算怎么简便运算m?

2024-12-02 09:13:30
推荐回答(1个)
回答1:

2÷2.4+1.6×0.5
=2×(5/12)+0.8
5/6+4/5
=(25+24)/30
=49/30
=1又30分之19