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8.27-1.12+0.15-0.36+1.73+4.85-2.25的简便计算
人气:161 ℃ 时间:2019-09-22 07:59:23
解答
8.27-1.12+0.15-0.36+1.73+4.85-2.25
=(8.27+1.73)+(0.15+4.85)+(-1.12-0.36-2.25)
=10+5-3.73
=11.27
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