2) Determine:
a) m.m.c. ( 60 , 80 )
b) m.m.c. (45 , 60 )
c) m.m.c. ( 8 , 10 , 20 )
d) m.m.c. (18 , 20 , 24 )
e) m.m.c. ( 4 , 8 . 12 , 36 )
f) m.m.c. ( 15 , 40 , 45 )
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Respostas
Explicação passo-a-passo:
a)60,80 | 2
30,40 | 2
15,20 |2
15,10 |2
15,5. | 5
5,1 | 5
1,1 | _____________
mmc(60,80)=2⁴x5²=41
b) m.m.c. (45 , 60 )
45,60| 2
45,30 |3
15,15|3
5,5|5
1,1____
mmc= (45,60)=2x3²x5=90
c) m.m.c. ( 8 , 10 , 20 )
8,10,20|2
4,5,10 |2
2,5,5 |2
1,5,5. |5
1,1,1. _______
mmc=(8,10,20) 2³x5=40
d) m.m.c. (18 , 20 , 24 )
18,20,24|2
9,10,12 |2
9,5,6. |2
9,5,3. |3
3,5,1. |3
1,5,1. |5
1, 1 ,1. ___________
mmc=(18,20,24)2³x3²x5=360
e) m.m.c. ( 4 , 8 . 12 , 36 )
4,8,12,36 |2
2,4,6,18. |2
1,2,3,9 |2
1,1,3,9. |3
1,1,1,3 |3
1,1,1,1 ________
mmc=(4,8,12,36)2³x3²=72
f) m.m.c. ( 15 , 40 , 45 )
15,40,45 |5
3,8,9 |3
1,8,3 |3
1,8,1 |2
1,4,1 |2
1,2,1 |2
1,1,1 _________
mmc=(15,40,45)=5x3²x2³=360