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数学
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(-15)除以(3分之1-2分之1)乘以6等于多少?
人气:320 ℃ 时间:2019-09-27 16:21:49
解答
(-15)除以(3分之1-2分之1)乘以6等于多少?
=-15÷(2/6-3/6)×6
=-15÷(-1/6)×6
=-15×(-6)×6
=540;
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