x14=1421/1421AC14=6x14=14=nn 6-14[6-6 21n
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x14=1421/1421AC14=6x14=14=nn 6-14[6-6 21n
x14=1421/1421AC14=6x14=14=nn 6-14[6-6 21n
x14=1421/1421AC14=6x14=14=nn 6-14[6-6 21n
x=2有2个实根z=92x 22y=α
x14=1421/1421AC14=6x14=14=nn 6-14[6-6 21n
x14=1421/1421AC14=6x14=14=nn 6-14[6-6 21n
x14=1421/1421AC14=6x14=14=nn 6-14[6-6 21n
x=2有2个实根z=92x 22y=α