Răspunsuri

2014-05-15T17:50:56+03:00
A + b = 28
a= b + 8
=> b+8+b = 28 => 2b = 20 => b =10 l
a=b+8 => a= 18l


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2014-05-15T17:50:57+03:00
A+b=28
a=b+8
b+8+b=28
2b=28-8
2b=20
b=10

a=10+8
a=18