Question

Rezolvati ex 4 va roggggg!!⭐️

Answer 1

Răspuns:

x:y= c rest 5

x<30

5<y<9=>y=6,7,8

Pt. y=6

x:6=c rest 5

x=c×6+5<30=>c=4,3,2,1

x:6=1 rest 5=> x=11

x:6=2 rest 5=> x=17

x:6=3 rest 5=> x=23

x:6=4 rest 5=> x=29

Pt. x=7

x:7=c rest 5

x=7c+5<30=>c=1,23

x:7=1 rest 5=>x=12

x:7=2 rest 5=> x=19

x:7=3 rest 5=> x=26

Pt. x=8

x:8=c rest 5

x=8×c+5<30=>c=1,2,3

x:8=1 rest 5=> x=13

x:8=2 rest 5=> x=21

x:8=3 rest 5=> x=29

x=11,12,13,17,19,21,23,26,29.

Baftă!❤