(y)[2] = ((x)>>16)&255;是什么意思 C语言

x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2 (12-2x)/X=(-16-2Y)/Y X^2+Y^2=25 Y 若x-y=1 化简（x+y)(x^2+y^2)(x^4+y^4)(x^8+y^8)(x^16+y^16) 填空：x-y/x+y=( )/x^2-y^2 （x-y)2•(y-x)³(x-y)=? y+y'-2y=2x 微分方程y - 2y' + y = x {x+y=3 2x-3y=-16 4x+2y=16 x-y=1, x+y=100 2×16x=18y (x-y) (x-2y)+(x+2y) (x-3y)-2(x-3y) (x-4y)= (x+y)^2-16(x-y)^2 (x+y)^2-16(x-y)^2 (x+y)(x-y)+(x-y)平方-(x-y)(3x-y) 其中x=-2 y=3分之一 已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y) 16-8（x-y)+(x-y)2 解方程组 10（x-y)=3(x+y)+15 6(x+y)=4(2x-y)+1610（x-y)=3(x+y)+156(x+y)=4(2x-y)+16 解方程组 10（x-y)=3(x+y)+15 6(x+y)=4(2x-y)+1610（x-y)=3(x+y)+156(x+y)=4(2x-y)+16分开的。