5m Zen
Cho pt mx m
Cho pt mx m pictures 5
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Cho pt mx
Cho pt mx m
cho pt x 2 mx m 3 0
cho pt mx m 1 y 3
cho pt x 2 mx m 5 0
cho pt x^2-mx+m-1
cho pt x 2 mx m 4 0
cho pt x 2 mx m 2 0
cho pt x 2 mx m 1 0
