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X 1 )( 9x 10
X 1 )( 9x 10 pictures 5
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X 1 )( 9x 10
1 3x 1 9x 10 x
9x 10 7 x 1
1 9x 3 6 x 10 8
9x 10 1.8 10 (- x 1
x2 9x 10 x 1
f x )u003d x 10 9x 1
t x )u003d 9x 10 x u003d- 1 6
9x x 2 u2212 10 1
1 9x 6 x 10
x 1 )( 9x 10
