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数学
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若|2x+3|+(x-3y+4)²=0,求(y-1)²+x²的值
人气:260 ℃ 时间:2020-03-26 19:13:46
解答
2x+3=0
x-3y+4=0
x=-3/2
y=5/6
(y-1)²+x²
=1/36+9/4
=1/36+81/36
=82/36
=41/18
数学辅导团为您解答,有错误请指正,
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