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x=12y=12 x = 14 y = 16 x=16 y=18 x=12 y=12 x= 16 y =28 x= 18 y=24 x=12 y=12 x= 14 y=44 x= 12 y=12 x= 14 y=26
y2﹣2y﹣1=0 y2﹣2y+1=0 y2+2y+1=0 y2+2y﹣1=0
:y2+y+2=0 :y2-y-2=0 :y2-y+2=0 :y2+y-2=0
")1" "2y1" ")n" "ABCD/x6d"
2y=18-3(y+1) 2y=3-3(y-1) y=3-(y-1) 2y=18-3(y-1)
2y=18-3(y+1) 2y=3-3(y-1) y=3-(y-1) 2y=18-3(y-1)
y2-7y+6=0 y2+6y-7=0 6y2=7y+1=0 6y2+7y+1=0
x2=4y x2= - 4y y2= 12x x2= - 12y
2y=18-3(y+1) 2y=3-3(y-1) y=3-(y-1) 2y=18-3(y-1)