小J創意數學答案

這個實在太好玩了,趕快插播一下把其他的文章延後一下下.

4年級的小朋友很喜歡數學, 但是只限於計算題. 計算題他可以算的又快又好, 但是到problem solving,看到了一堆文字, 小朋友就投降了. 投降的原因不是不會, 而是根本懶得看,懶得想. 舉例說明好了……

Greg has a coin in one of his closed hands. What is the probability that Greg’s friend will pick the hand the coin is in?

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