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数学
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简便计算:26.8-0.75-0.5*0.5
人气:106 ℃ 时间:2020-06-03 11:00:38
解答
26.8-0.75-0.5*0.5
=26.8-0.75-0.25
=26.8-(0.75+0.25)
=26.8-1
=25.8
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