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计算:8又3/4÷[0.375×(7-2又1/14×2又1/3)+1/6]
人气:203 ℃ 时间:2020-02-05 12:54:05
解答
=8又3/4÷[3/8×(7-29/14×7/3)+1/6]
=8又3/4÷[3/8×(7-29/6)+1/6]
=8又3/4÷(3/8×13/6+1/6)
=8又3/4÷(39/48+8/48)
=35/4÷47/48
=420/47
=8又44/47
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