Răspuns :
a + b = 34
a : b = 1/2
a = 1b/2
b/2 + b = 34, aducem la acelasi numitor
b + 2b = 68
3b = 68
b = 68/3
a = 34 - b
a = 34 - 68/3, aducem la acelasi numitor
3a = 102 - 68
3a = 34
a = 34/3
a : b = 1/2
a = 1b/2
b/2 + b = 34, aducem la acelasi numitor
b + 2b = 68
3b = 68
b = 68/3
a = 34 - b
a = 34 - 68/3, aducem la acelasi numitor
3a = 102 - 68
3a = 34
a = 34/3