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精子:AXB、aXB 精子:AXB、aXB、AY、aY 卵细胞:AXB、aXB 卵细胞:AXB、aXB、AY、aY
精子:AXB,aXB 精子:AXB,aXB,AY,aY 卵细胞:AXB,aXB 卵细胞:AXB,aXB,AY,aY
x=y 3﹣ax=3﹣ay ay=﹣ax ax+1=ay﹣1
精子:AXB,aXB 精子:AXB,aXB,AY,aY 卵细胞:AXB,aXB 卵细胞::AXB,aXB,AY,aY
x=y ax+1=ay﹣1 ax=﹣ay 3﹣ax=3﹣ay
(2ax-10ay)+(5by-bx) (2ax-bx)+(5by-10ay) (x2-y2)+(ax+ay) (x2+ax)-(y2-ay)
b+ax=b+ay x=y x﹣ax=x﹣ay =
精子:AXB,aXB 精子:AXB,aXB,AY,aY 卵细胞:AXB,aXB 卵细胞::AXB,aXB,AY,aY
8x2y-24xy2=8xy(x-3y); ax+bx+ay+by=x(a+b)+y(a+b) 12x2y+14x2y2-2xy=2xy(6x+7xy-1); x3-8=(x-2)(x2+2x+4)
|π﹣3|=3﹣π 若ax=ay,则x=y a+b>a﹣b