Sally likes 225 but not 224; she likes 900 but not 800; she likes 144 but not 145.Which does she like:
Sally likes 225 but not 224; she likes 900 but not 800; she likes 144 but not 145.Which does she like:
A) 1500 B) 1600 C) 1700 D) 1800
正確答案是選B.
A) 1500 B) 1600 C) 1700 D) 1800
正確答案是選B.
數(shù)學(xué)人氣：580 ℃時(shí)間：2020-02-06 14:49:10
優(yōu)質(zhì)解答
sally likes 245 but not 244,可看出,sally喜歡的數(shù)可被5整除.she likes 900 but not 800,可看出,sally喜歡的數(shù)是一個(gè)完全平方數(shù).she likes 144 but not 145,可看出,sally喜歡的數(shù)可被8整除.滿足此三條件的只有B.這...
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