Răspuns:
a+b=1152 I·4
a-b=b/4=>b=4(a-b)=>b=4a-4b=>b+4b=4a=>4a=5b
4a+4b=4608
5b+4b=4608
b=4608:9=>b=512
a+512=1152=>a=1152-512=>a=640
a + b = 1152 => a = 1152 - b
a - b = b/4
inlocuim
⁴⁾1152 - ⁴⁾b - ⁴⁾b = b/4
4608 - 4b - 4b = b
4608 = 9b
b = 4608 : 9
b = 512
a = 1152 - 512
a = 640
