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125*3-125*5+25*25
人气:438 ℃ 时间:2020-09-13 11:04:21
解答
125*3-125*5+25*25
=125*3-125*5+25*5×5
=125*3-125*5+125*5
=125(3-5+5)
=125×3
=375
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