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小学奥数题(不用翻译求解出正确答案即可)

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小学奥数题(不用翻译求解出正确答案即可)
1. Four cards are put on the table as shown in Fig(1).Tom turns one of them upside down and get Fig (2).Do you know which one does he turn ?
Number __from the left
2. Look! There are four patterns below .The area of each small square is 1 平方厘米 . Choose two from the four patterns so that the sum of their areas is 25 平方厘米 ?
__and __

1.选4 正反一致
2.A & D 因为他们的笔画一个是9,一个是16,加起来一共25,所以一共有50-25=25个空格