【益智】 傳說是小學1年級的數學題 好難~
Brain - Wikipedia, the free encyclopedia 這是在網路上看到的,據說這是大陸小學一年級的數學題,你知道答案是多少嗎? 解答:答案為2分析:圓為在外面算0,在裡面算-1;正方形在裡面算1,在外面算4;三角形在裡面算2,在外面算3。知道這些之後把裡外相加就行了,三角形(外)+圓(內)=2不過跳跳虎還有看The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals—only a few invertebrates such as sponges, jellyfish, adult sea squirts and starfish do not have a brain, even if diffuse neural tissue is...
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