Question

Dif a 2 nr e 45 afla cele doua nr stiind ca impartind nr mare la nr mic obtinem catul 5 restul 5

Answer 1

a-b=45
a:b=5 r 5
a=5b+5
5b+5-b=45
4b=45-5
4b=40
b=10
a=10x5+5=55

Answer 2

a-b=45
a:b=5, rest 5

a=5b+5

5b+5-b=45
4b=45-5
4b=40
b=40:4
b=10

a=10×5+5
a=50+5
a=55

Proba :
55-10=45
55:10=5 , rest 5