Question

Digerenta a doua nr este 131 Daca impartit unul la celalalt obtineti 5 si restul3.care sint nr??

Answer 1

a-b=131
a:b=5r3
a=5b+3
5b+3-b=131
4b=131-3
b=128:4=32
a=131+32=163

Answer 2

a-b=131
a:b=5, rest 3 ⇒ a=5b+3

Inlocuim in ecuatia principala: 

5b+3-b=131
4b=128 ⇒ b=32

a=32+131 ⇒ a=163