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  • Utilizator Brainly
2014-02-26T14:40:47+02:00
A-b=40
a=3b
3b-b=40, b=20
a-20=40, a=60
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2014-02-26T14:41:17+02:00
A-b=40
a=3b
3b-b=40
2b=40
b=40:2=20
a=3b=3 ori 20=60