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ax=0 ax≠0 ay≠0 ay=0
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
x=y ax+1=ay+1 4ax=4ay 3-ax=3-ay
x>y,a>0 x>y,a<0 x<y,a>0 x<y,a<0
x=y ax+1=ay﹣1 ax=﹣ay 3﹣ax=3﹣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)
x=y ax+1=ay﹣1 ax=﹣ay 3﹣ax=3﹣ay
bx+ay+c=0 ax-by+c=0 bx+ay-c=0 bx-ay+c=0
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
aXb,Y,Y aXb,aY,Y AXb, aY,Y AA aXb,Y,Y
|π﹣3|=3﹣π 若ax=ay,则x=y a+b>a﹣b