5m Zen
2y x 5x
2y x 5x pictures 5
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2y x
2y x 5x
5x 2y 20 when x 0.3
5x 2y x 5y 4
5x 4y 7z x 2y 3z
5x 10y 7 x 2y 2
x u2212 8y )+( 5x 2y
5x 7y x 2y 3x
5x 4y 19 x 2y 8
dy dx 2y x 5x 2
2y x 5x
2y x 5x 6y
