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1除[28-(8分之3)除(6分之5-3分之一)]算式
人气:161 ℃ 时间:2020-01-29 06:11:35
解答
1/{28-(3/8)/[(5/6)-(1/3)]}
=1/{28-(3/8)/[(5/6)-(2/6)]}
=1/[28-(3/8)/(1/2)]
= 1/(28-3/4)
=1/[(28*4-3)/4]
=1/(109/4)
=4/109
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