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2ab a b 2
2ab a b 2 pictures 5
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2ab a
2ab a b 2
a b 2 u221A ab 2ab a b
2ab a 2 b 2 ab 2a 2b
ab 2ab a b b 2
2ab a 2 b 2 c 2
2ab a 2 b 2 1
2ab a 7 b 2
factorise a a b 2 2ab a b
reducer a 2 2ab a b 2
a2 b2 2ab u003d( a b 2
2ab a b 2
