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X 4x 3 4
X 4x 3 4 pictures 5
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X 4x 3 4
x 4 3 4x 5
4 x 1 u2264 4x 3
x 3 x 2 4x 4 0
4x 7 4 x 3
x 4 5x 3 4x 20
2 x 4 )u003d 4x 3 2x 5
x 3 x 2 4x 4
6 x 4x 3 4
f x )u003d 4x 3 4
x 4x 3 4
