a) 15, 25| 3
5, 25| 5
1, 5 | 5
1, 1
5×5×3=75
m.m.c(15,25)= 75
b) 42,56| 2
21, 28| 2
21, 14 | 2
21, 7 | 3
7, 7 | 7
2×2×2×3×7= 168
m.m.c(42,56)= 168
c) 18,34 | 2 -----> FATOR COMUM
9, 17 | 3
3, 17| 3
1, 17| 17
m.d.c= 2
d) 64,98,120| 2
32,49,60 | 2
16,49,30 | 2
8, 49,15 | 2
4, 49,15 | 2
2, 49,15 | 2
1, 49,15 | 3
1, 49, 5 | 5
1, 49, 1 | 7
1, 7, 1 | 7
1, 1, 1
2×2×2×2×2×2×2×3×5×7×7= 47.040
m.m.m( 64,98,120)= 47.040
Espero ter ajudado <3
