Question

Scrieti primii cinci multipli comuni ai nr:a)2si3. b)3si5. c)4si8. d)3 si 7. e)8si12. f)15si20

Answer 1

a) {6,12,18,24,30}
b) {15,30,45,60,75}
c) {8,16,24,32,40}
d) {21,42,49,63,84}
e) {24,48,72,96,120}
f) {60,120,180,240,300}

Answer 2

a)

2= 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,

3= 3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48

comuni= 6,12,18,30,36,42

b) 3 si 5

3=3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90

5=5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90

comuni = 15,30,45,60, 75

c) 4=4,8,12,16,20,24,28,32,36,40,44,48,

8=8,16,24,32,40,48,

comuni= 8,16,32,40,48

d)3 si 7

3=3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120

7=7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119

comuni = 21,42,63,84,105

e) ti-l las tie sa il faci

f) 15=15,30,45,60,75,90,105,120,135,150,165,180,195,210,225, 240,265,280

20=20,40,60,80,100,120,140,160,180,200,220,240,260,280,300

comuni: 60,120,180,240,280

Bafta!