Question

(a+b):(a-b)=5 (rest2) a>b cu 72

Answer 1

(a+b):(a-b)=5(rest2) a>b cu 72
a=b+72
(72+b+b):(72+b-b)=5 r2
(72+2b):72=5 r2
72+2b=72*5+2
72+2b=362
2b=362-72
2b=290
b=290:2
b=145
a=145+72
a=217