Question

Me Ajudem É Para Amanhã!<br />
Caucule: <br />
Mmc (30,45)<br />
Mmc (112,140)<br />
Mmc (18,27,36)<br />
Mmc (13,39,78)

Answer 1

a)
R.: Mmc (30,45) = 90

30,45: 2
15,45: 3
5,15: 3
5,5: 5
------------------
1,1  = 2.3.3.5 = 6.15 = 90

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
b)

R.: Mmc (112,140) = 560

112,140: 2
56,70: 2
28,35: 2
14,35: 2
7,35: 5
7,7: 7
--------------
1,1   =  2.2.2.2.5.7 = 16.5.7 = 80.7 = 560

c)
R.: Mmc (18,27,36) = 108

18,27,36: 2
9,27,18: 2
9,27,9: 3
3,9,3: 3
1,3,1: 3
----------------------
1,1,1 = 2.2.3.3.3 = 4.27 = 108


¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
d)

R.: Mmc (13,39,78) = 78

13,39,78: 2
13,39,39: 3
13,13,13: 13
-----------------------
1,1,1   = 2.3.13 = 2.39 = 78