4⼀5×0.6+6⼀5÷(5⼀3)-3⼀5怎样简便方法运算?

2024-11-02 03:57:25
推荐回答(2个)
回答1:

4/5×0.6+6/5÷(5/3)-3/5
=4/5×3/5+6/5×3/5-3/5
=3/5(4/5+6/5)-3/5
=3/5×2-3/5
=3/5(2-1)
=3/5

回答2:

4/5×0.6+6/5÷5/3-3/5
=4/5×3/5+6/5×3/5-1×3/5
=(4/5+6/5-1)×3/5
=1×3/5
=3/