已知2x-3y-2=0,则(10x)2÷(10y)3=______.
已知(x+y+2)2+|2x-3y-1|=0,则x+y=______.
已知(x-3)2+|2x-3y+6|=0,则x=______,y=______.
已知|x-3|+(y+2)2=0,则x+y=______.
已知2x+3y=5,则6x-4y-2(x-5y)=______.
已知|x+3|+(x+2y-1)2=0,则x+y=______.
已知集合M={(x,y)|y=x+3},N={(x,y)|y=-2x+6},则M∩N=______.
已知|x-3|+|y+1|=0,则3x-2y=______.
已知:(2x+3y-4)2+|x+3y-7|=0,则xy=______.
已知(3x+2y-5)2与|5x+3y-8|互为相反数,则x=______,y=______.
若|3x-y-7|+(5x+2y-8)2=0,则x-y=______.
若|x+3|+(y-2)2=0,则x-2y=______.
已知y=x-1,则(x-y)2+(y-x)+1的值为______.