来自巩丹超的问题
已知直角三角形的两直角边分别为100,70求斜边长度
已知直角三角形的两直角边分别为100,70求斜边长度
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2020-05-10 22:51
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金宁德
斜边的平方=100²+70²=14900
斜边=10倍根号149=122.066
2020-05-10 22:54:17
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