5m Zen
6x 2 7x 1 0
6x 2 7x 1 0 pictures 5
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6x 2 7x 1 0
7x 2 6x 1 0 u0434u0438u0441u043Au0440u0438u043Cu0438u043Du0430u043Du0442
6x 4 7x 2 1 0
6x 3 7x 2 1 0
6x 2 7x 1 0 discriminant
6x 2 7x 1 0
