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25*3/4-25*(-0.5)-(-1/4)*(-25)
人气:400 ℃ 时间:2020-04-15 06:33:35
解答
25*3/4-25*(-0.5)-(-1/4)*(-25)
=25*3/4-25*(-0.5)-(1/4)*(25)
=25(3/4 +0.5-1/4)
=25
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