Răspuns :
a + b = 942
a = b - 4
b - 4 + b = 942
2b - 4 = 942
2b = 942 - 4 = 938
b= 938 : 2
b = 469
a = 469 - 4
a = 465
proba: 465 + (465 + 4) = 942
a = b - 4
b - 4 + b = 942
2b - 4 = 942
2b = 942 - 4 = 938
b= 938 : 2
b = 469
a = 469 - 4
a = 465
proba: 465 + (465 + 4) = 942
a+b=942
a<bcu4
a=b-4
b-4+b=942
2b-4=942
2b=942-4
2b=938
b=938:2
b=469
a=469-4
a=465
a<bcu4
a=b-4
b-4+b=942
2b-4=942
2b=942-4
2b=938
b=938:2
b=469
a=469-4
a=465