x-y=48,x+y=6,则y∧x=____
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x+y=6,x一y=8,x=7,y=一1.
相关问题
x²-y²=48,x+y=6,则x= y=
x2-y2=48,x+y=6,则x=______,y=______.
X+Y=6 X²-Y²=48 Y-X=?
x的平方-y的平方=48,x+y=6,x=( ),y=( )
若3x+2y=48,2x+2y=46,则x= ,y=
因式分解4x²—48xy+144y²+x²—6y+x—6xy
解方程组{x-y=48...① 6(0.9x-y)=9(x-30-y)...②
x*x+4x+y*y-6y+13=0,则x-y=?,
X十y=48、y=X十X十X、X=()y=()
(X+y )²-8(x+y)+48