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4.27×1/8+4.73÷8+1/8怎么算?
人气:255 ℃ 时间:2020-02-01 06:14:11
解答
4.27×1/8+4.73÷8+1/8
=4.27×1/8+4.73×1/8+1/8
=1/8×(4.27+4.73+1)
=1/8×10
=1.25
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