Răspuns :
a=7b
a+b=64 si a-b=48
a+b=64
a-b=48
---------------------
2a=112=>a=56 =>b=56:7=8
a+b=64 si a-b=48
a+b=64
a-b=48
---------------------
2a=112=>a=56 =>b=56:7=8
a+b=64
a=7b
Inlocuim in suma:
7b+b=64
8b=64
b=64:8
b=8
a=7*8
a=56
a-b=48
a=7b
Inlocuim in diferenta:
7b-b=48
6b=48
b=48:6
b=8
a=7*8
a=56
a=7b
Inlocuim in suma:
7b+b=64
8b=64
b=64:8
b=8
a=7*8
a=56
a-b=48
a=7b
Inlocuim in diferenta:
7b-b=48
6b=48
b=48:6
b=8
a=7*8
a=56