a+b=180 oi
a=8b
si inlocuim in suma
8b+b=180
9b=180
b=20 oi
a=8×20
a=160 oi
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a+b=180 oi
a=8b
si inlocuim in suma
8b+b=180
9b=180
b=20 oi
a=8×20
a=160 oi