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—0.75+(4分之一)—(0.125)—|—0.25|要有过程
人气:186 ℃ 时间:2020-01-25 05:17:39
解答
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—0.75+(4分之一)—(0.125)—|—0.25|
=-0.75+0.25-0.125-0.25
=-0.5-0.125-0.25
=-0.625-0.25
=-0.875
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