Scratch 5-1心算練習

KEkenitw•Shared March 16, 2020

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二位數連加法心算練習，總共有10題, 每題2個二位數加法和3個二位數連加法, 請用心算方法算出答案, 最後看看自花了多少時間完成?

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CreatedMarch 16, 2020

Last ModifiedMarch 16, 2020

SharedMarch 16, 2020

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