已知正整数x,y满足2∧x 49=y,求x,y值
已知正整数x,y满足2∧x 49=y,求x,y值
已知x、y是正整数,且满足3x+2y=17.试求x、y的值.
正整数x,y满足x2-y2=2xy,求x-y/x+y的值
已知x和y是正整数,并且满足条件xy+x+y=71,x^2y +xy^2=880,求x^2+y^2的值
已知x和y是正整数,且满足xy+x+y=71,x^2+xy^2=880求x^2+y^2的值
已知x,y都是正整数,且满足4x^2-9y^2=31 求(1)x,y的值(2)求代数式x^2-y^2/x^2+y^2
已知实数x, y满足x²+y²-2x+6y+10=0,求y∧-x.
已知实数x,y满足(x+y)^2=1,(x-y)^2=25,求x,y的值
已知x,y满足y^4+2x^4+1=4x^2y,求x,y的值
已知x,y满足x^2+y^2-6x+8y+25=0,求y^x的值
已知x,y的值满足方程组x+2y=3,x-y=-2,求x/(x-y)²+x²-y²/(x+
已知正整数x,y满足2x+49=y2,则x=______,y=______.