Question

Aflati 2 nr consecutive pare care au catul 1.25

Answer 1

2k+2 / 2k+ = k+1 / k = 1,25

k+1 = 1,25k

1=1,25k-k

1=0,25k

k=1/ 0,25 = 1/ 1/4 = 4

Numerele sunt: 2*4+2=8+2=10 si 2*4=8.

Deci

10 si 8.

Verificare:

10/8 = 5/4 = 1,25, corect, OK.