Question

Afla doua numere consecutive, stiind ca suma lor este 19.

Answer 1

a+b=19

a=x

b=x+1

x+x+1=19

x+x=19-1

x+x=18

2x=18

x=18:2

x=9

Answer 2

|--|
|--|-1-| > 19

19 - 1 = 18 ( nr egale )
18 : 2 = 9 ( primul număr )
9 + 1 = 10 ( al doilea număr )

R: 9 , 10