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(-10)-8-(-18)+(34)-(27)等于?
人气:306 ℃ 时间:2020-09-20 17:19:08
解答
(-10)-8-(-18)+(34)-(27)
= -10-8+18+34-27
= -10-8-27+18+34
= (-10-8+18)-27+34
= 0-27+34
=7
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