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(8.1-5.4)/3.6+85.25要简便 1.25*35*0.25简便
人气:473 ℃ 时间:2020-06-27 08:35:41
解答
(8.1-5.4)/3.6+85.25
=2.7/3.6+85.25
=0.75+85.25
=86
1.25*32*0.25
=1.25×8×4×0.25
=10×1
=10
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