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2014-11-06T20:34:50+02:00
A-b=33 a:b=3 r 3 a=3b+3 a=b+33 2b=30 b=15 a=48
1 5 1
2014-11-06T20:35:18+02:00
Fie nr a si b
a-b=33
a=b*3+3 => 3*b+3-b=33 => 2*b+3=33 => 2*b =30 => b=30/2 => b=15 => a=3*15+3 => a=45+3=48