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362×548-186分之362+548×361 简算
人气:428 ℃ 时间:2020-04-25 09:05:31
解答
(362+548*361)/(362*548-186)
=(362+548*(362-1))/(362*548-186)
=(362-548+548*362)/(362*548-186)
=(548*362-186)/(362*548-186)
=1
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