5m Zen
X 9 1 3
X 9 1 3 pictures 5
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X 9 1 3
1 3 4 x 9 1 2 lvl
solve 3 x 1 )u003d 9
15 1 3 x 9
8 5x 1 3 9 x
3 x 1 )u003d 2x 9
6 x 9 1 3
f x )u003d 9 1 3 x
if x 9 1 3 9 1 9
x 9 1 3 1 18
x 9 1 3
