5m Zen
4x2 3 9
4x2 3 9 pictures 5
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4x2 3 9
4x2 9 2 2x 3
3 4x2 9 1 3
9 4x2 3 10 15
7 12 3 4x2 9
3 2x 2 4x2 9 0
x3 4x2 9 3 x
3 /( 9 6 )+ 4x2
4x2 9 2x 3
4x2 3 9 extracting square root
4x2 3 9