Question

Va rog raspundeti la problema 17 din poza următoare dau coroana si puncte.​

Answer 1

a)

n:18=C1 r 4|+4

n:12=C2 r4|+4 =>n+4=[18;12;15]=c.m.m.m.c

n:15=C3 r4|+4

18=2×3²

12=2²×3 =>c.m.m.m.c=>2²×3²=36

15=3×5

n=36+4=40

b)

n:15=C1 r 10|+5

n:12=C2 r 7|+5 =>n+5=[15;12;10] c.m.m.m.c

n:10=C3 r 5|+5

15=3×5

12=2²×3. c.m.m.m.c=>2²×5=20

10=2×5

n=20+5=25

c)

n:6=C1 r 2|+2

n:8=C2 r 2|+2 =>n+2=[6;8;15] c.m.m.m.c

n:15=C3 r 2|+2

6=3×2

8=2³c.m.m.m.c =>58

15=3×5

n=58+4=62

d)

n:18=C1 r 15|-3

n:20=C2 r 17|-3. => n-3=[18;20;12] c.m.m.m.c

n:12= C3 r 9|-3

18=2×3²

20=2²×5=>c.m.m.m.c=>2²×3²=36

12=2²×3

n=36-3=33