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初中数学中考真题：整体代入法求代数式的值——经典题
整体代入法求代数式的值。
中考培优题集合102/168
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整体代入法求代数式的值。
App06:07App01:31App04:22App01:32App04:14App03:46App05:12App01:24App01:50App00:45App02:03App05:06App05:53App06:24App05:51App04:55
