已知(1/3x+1/2y)的平方+1/2x-1/3y的绝对值=0,求x的平方+y的平方的值
人气:148 ℃ 时间:2019-10-19 21:17:40
解答
∵(1/3x+1/2y)的平方+1/2x-1/3y的绝对值=0
∴1/3x+1/2y=0 1/2x-1/3y=0
解得:x=0 y=0
∴x的平方+y的平方=0
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