若【2x²-3y²-10y+5】²+根号x-2y,则x= y=
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若【2x²-3y²-10y+5】²+根号x-2y,则x= y=
若【2x²-3y²-10y+5】²+根号x-2y,则x= y=
若【2x²-3y²-10y+5】²+根号x-2y,则x= y=
∵两个非负数的和为零
∴两项各为零
即2x²-3y²-10y+5=0 (1)
x-2y=0 (2)
得Y=1
X=2