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3分之5×5分之4+2分之1÷4分之3简算
要简算的过程,不是简算不要.
人气:316 ℃ 时间:2019-12-01 10:17:24
解答
(5/3 ) × (4/5 ) + (1/2 ) ÷ (3/4)
= (4/3) + (1/2) × (4/3)
= (4/3) × ( 1 + 1/2)
= (4/3) × (3/2)
= 2
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