ab x2+y2 + xy a2+b2-标签分类-2025-12-11 05:40
必应
ab x2+y2 + xy a2+b2,
ab x2+1 +x a2+b2,
x 2 + a+b x + ab,
x2 - a + b x +ab,
x+y a-b ax-by a2+b2,
factorise ab x2+y2 - xy a2+b2,
x2/a2 + y2/b2 1,
x-a 2 + y-b 2 c2,
x-a 2 + y-b 2 r 2,
x 2- a+b x+ab 0,
x/a+y/b 2 ax-by a2-b2,
a-b x + a+b y a2-2ab-b2