Răspunsuri

2014-02-12T16:29:50+02:00
A+b=123 
a=83+b 
b=49+b =>a=2(49+b) 
a+b=123
2(49+b) +49+b=123
98+2b+49+b=123
3b+147=123
3b=123-147
3b= -24 
=>b= -8 
    a=115
1 4 1