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7.7×0.16÷7.7×12.5
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=
=
=
是按顺序算吗
人气：475 ℃　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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