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第一個平方數為b2,第二個平方數為a2,由題意得:b2+100=a2+63,a2-b2=100-63=37,即:a2-b2=37=37×1考慮同奇偶性,可知a=19,b=18,這個數為a2+63=19×19+63=424;答:這個數是424.
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