calcule o mmc decompondo os numerais em fatores primos: o) mmc(18,21,40)= b)mmc(24,36,18)= c)mmc (15,60,45)= d)mmc (45,64,72)= e)mmc (29,99)= f)mmc (75,60,150)
Soluções para a tarefa
a)18,21,40|2 b)24,36,18|2 c)15,60,45|2 d)45,64,72|2 e)29,99|3
9,21,20 |2 12,18, 9 |2 15,30,45|2 45,32,36|2 29,33|3
9,21,10 |2 6, 9, 9|2 15,15,45|3 45,16,18 |2 29,11 |11
9,21,5 |3 3,9, 9 |3 5,5 15|3 45,8,9 |2 29,1 |29
3,7,5 |3 1,3, 3|3 5,5, 5|5 45,4,9 |2 1,1
1,7,5 |5 1,1, 1 1,1, 1 45,2,9 |2
1,7,1 |7 45,1,9 |3
1,1,1 15,1,3 |3
5,1,1 |5
1,1,1
m.m.c(18,21,40) = 2² . 3² . 5.7
m.m.c(24,36,18) = 2³ . 3²
m.m.c (15,60,45) = 2² . 3² . 5
m.m.c (45,64,72) = 2³.2³.3².5
m.m.c (29,99) = 3².11.29
f)75,60,150|2
75,30, 75|2
75,15, 75|3
25,5, 25|5
5, 1 , 5 |5
1, 1 , 1
m.m.c(75,60,150) = 2².3.5²