Question

Dacă a plus b egal 12 561 b plus c egal 16 599 a plus c egal 21 226 Află a b c​

Answer 1

a + b = 12561

b + c = 16599

a + c = 21226

a + b + b + c = 12561 + 16599

a + 2 × b + c = 29160

21226 + 2 × b = 29160

2 × b = 29160 - 21226

2 × b = 7934

b = 7934 : 2

b = 3967

a = 12561 - b

a = 12561 - 3967

a = 8594

c = 21226 - a

c = 21226 - 8594

c = 12632