5m Zen
4x 2y 2x 8y
4x 2y 2x 8y pictures 5
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4x 2y 2x
4x 2y 2x 8y
6 2x 2y )+ 4x 8y 24
x 3 2x 2y 4x 8y
4x 8y 20 u2212 2x 2y u2212 10
4x 2y 2x 8y
