二分之十五的三分之一与二分之三的差除以百分之80,商是多少?

2024-11-23 09:49:47
推荐回答(2个)
回答1:

( 15/2*1/3-3/2)÷80%
=(5/2-3/2)÷4/5
=1*5/4
=1.25

回答2:

[(15/2)*1/3-3/2]÷80%
=(5/2-3/2)÷80%
=1÷4/5
=5/4
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