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35份之8乘32份之5加35份之5乘32份之27等于多少(简便计算,
人气:250 ℃ 时间:2020-04-05 19:01:24
解答
35份之8乘32份之5加35份之5乘32份之27 =8/35*5/32+5/35*27/32 =5/35*(8/32+27/32) =5/35*35/32 =5/32
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