• Matéria: Matemática
  • Autor: anaclaryy
  • Perguntado 9 anos atrás

qual é o m.m.c de (36,54,90)

Anexos:

Respostas

respondido por: Anônimo
4
c)

36,54,90: 2
18,27,45: 2
9,27,45: 3
3,9,15: 3
1,3,5: 3
1,1,5: 5
-----------------
1,1,1      =  2.2.3.3.3.5 = 2².3³.5 = 4.27.5 = 4.135 = 540

Resp.: mmc (36,54,90) = 540

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
a) mmc (30,75) = 150

30,75: 2
15,75: 3
5,25: 5
1,5: 5
-------------
1,1  = 2.3.5.5 = 6.25 = 150

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
b) mmc (18,60) = 180

18,60: 2
9,30: 2
9,15: 3
3,5: 3
1,5: 5
---------------
1,1  = 2.2.3.3.5 = 4.9.5 = 36.5 = 180

*************************************************

d) mmc (21,35) = 105

21,35: 3
7,35: 5
7,7: 7
----------------
1,1   = 3.5.7 = 3.35 = 105
Perguntas similares