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8.5-(1/8+1.5)-0.875 简算
人气:274 ℃ 时间:2020-03-29 02:55:55
解答
8.5-(1/8+1.5)-0.875
=8.5-1/8-1.5-0.875
=(8.5-1.5)-(1/8+0.875)
=7-(0.125+0.875)
=7-1
=6
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