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53⼀56x57的简便运算

说原因

2025-03-15 02:24:07

推荐回答（4个）

回答1：

53/56x57
=35/56*（56+1）
=35/56*56+35/56
=35+35/56
=35+5/8
=35又8分之5

回答2：

53/56x57
=53/56×（56+1）
=53/56×56+53/56
=53+53/56
=53又53/56

回答3：

53/56x57
=53/56x(56+1)
=53/56x56+53/56x1
=53+53/56
=53又53/56

回答4：

53/56x57
=53/56x(56+1)
=53+53/56
=53又53/56

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