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7.7×0.16÷7.7×12.5
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是按顺序算吗
人气:434 ℃ 时间:2020-03-24 12:03:00
解答
7.7×0.16÷7.7×12.5
=(7.7÷7.7)×(0.16×12.5)
=1×(0.16×12.5)
=1×2
=2
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