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数学
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-3.375*12+4.375*12-36*(1/18-1/12+1/3)
人气:325 ℃ 时间:2020-05-26 14:49:34
解答
-3.375*12+4.375*12-36*(1/18-1/12+1/3)
=12*(-3.375+4.375)-(1/18*36-1/12*36+1/3*36)
=12-(2-3+12)
=1.
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