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4 2y 3 2
4 2y 3 2 pictures 5
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4 2y 3 2
2y 4 3y 2 u003d- 2 3
2 3y 3 4 2y 5 8
3 2y 4 )u003d 4 2y 1 2
2y 2 9y 3 4
2y 3 4 9y 2 3 1 3y
y 4 2y 3 2 5
y 3 4 2y 3 2
7x 4 2y 3 2
15y 4 2y 3 )u003d- 2
4 2y 3 2
