已知|2x-y-3|+(2x+y+11)^2=0 求y ^x的值已知|2x-y-3|+(2x+y+11)^2=0 求y^x的值

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已知|2x-y-3|+(2x+y+11)^2=0求y^x的值已知|2x-y-3|+(2x+y+11)^2=0求y^x的值已知|2x-y-3|+(2x+y+11)^2=0求y^x的值已知|2x-y-3|

已知|2x-y-3|+(2x+y+11)^2=0 求y ^x的值已知|2x-y-3|+(2x+y+11)^2=0 求y^x的值
已知|2x-y-3|+(2x+y+11)^2=0 求y ^x的值
已知|2x-y-3|+(2x+y+11)^2=0 求y^x的值

已知|2x-y-3|+(2x+y+11)^2=0 求y ^x的值已知|2x-y-3|+(2x+y+11)^2=0 求y^x的值
2x-y-3=0
2x+y+11=0
解得x=-2,y=-7
y^x
=(-7)^(-2)
=1/49