Răspunsuri

2014-10-27T17:46:46+02:00
2014-10-27T17:50:27+02:00
(a+3)x(b-6)=32
a+b=32-6:3
a+b=32-2
a+b=30
a=0⇒b=30
a=1⇒b=29
a=2⇒b=28
a=3⇒b=27
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a=30⇒b=0