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数学
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已知(3x+2y-5)²和|5x+3y-8|互为相反数,则x=____,y=_____.
人气:494 ℃ 时间:2019-10-19 01:59:42
解答
因为(3x+2y-5)²和|5x+3y-8|互为相反数
所以(3x+2y-5)²+|5x+3y-8|=0
3x+2y-5=0
5x+3y-8=0
解方程组得
x=1
y=1
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