点A(2,-3)到x轴的距离是____,到y轴的距离是,到原点的距离________
人气:178 ℃ 时间:2019-12-29 13:05:44
解答
点A(2,-3)到x轴的距离是 3,到 y轴的距离是2,到原点的距离√13
注:点p(x,y)到x轴的距离为:|y|
到y轴的距离为:|x|
到原点的距离为:√(x²+y²)
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