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.4.5*3.26+9.7*6.74+3.26*5.2
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4.5*3.26+9.7*6.74+3.26*5.2
简便
人气:259 ℃ 时间:2020-03-26 17:52:02
解答
4.5*3.26+9.7*6.74+3.26*5.2
=3.26*(4.5+5.2)+9.7*6.74
=9.7*3.26+9.7*6.74
=9.7*(3.26+6.74)
=9.7*10
=97
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