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计算：7/16×8/11+9/16÷11/8
人气：491 ℃　时间：2020-06-28 15:09:20
解答
7/16/11+9/16÷11/8
=7/16×8/11+9/16×8/11
=(7/16+9/16)×8/11
=16/16×8/11
=1×8/11
=8/11
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