Răspunsuri

2014-02-24T15:43:17+02:00
A+b=40
b=3*a => a+3*a=40 => 4*a=40 => a=10
b=3*a=3*10 => b=30
23 3 23
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2014-02-24T15:45:36+02:00
|---|---|---|  a
|---|  b
40/2=20  b
20*3=60  a
60-20=40
65 4 65