Question

Suma a trei numere este92.Stiind ca a+b=55 si b+c=43,sa se afle numerele.

Answer 1

a+b+c=92
a+b=55
b+c=43

55+c=92
c=37

a+43=92
a=92-43
a=49

49+b=55
b=55-49
b=6

Verificare : 49+6+37=92

Answer 2

a+b+c= 92 a+b=55 b+c=43 55+c=92 c= 92-55 c= 37 b+37= 43 b= 43-37 b= 6 a+37+6=92 a+ 43 = 92 A=92-43= A= 49