题:
Jack has 13 oranges, he ate 4 oranges.
Question: How many oranges left?
This number sentence 13+4=17 Correct.
Yes() NO()
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结果,13+4 不知道得17的人都拿了分, 知道13+4=17 的都失了分. 这题我看应放到GRE里去. 哈哈.