Question

suma a doua nr nat este egala cu 245.impartind nr mai mare la diferenta celor doua nr se obtine catul 4 si restul 7. aflati numerele.

Answer 1

a+b=245=>a=245-b
a:(a-b)=4r7
a=4(a-b)+7=>a=4a-4b+7=>4b=4a-a+7=>4b=3a+7=>4b=3(245-b)+7
4b=735-3b+7=>4b+3b=742=>b=742:7=>b=106
a=245-106=>a=139