Question

qual e o mmc e mdc 20 30 40

Answer 1

20 - 30 -40|2

10 - 15 - 20|2

5 - 15 - 10 |2

5 - 15 - 5 | 3

5 - 5 - 5 | 5         m.m,c = 2³*3*5 = 120

1 - 1 - 1

20|2              30|2                40|2

10|2              15|3                20|2

5 |5                5| 5                10|2 

1                     1                     5|5                   mdc (20, 30, 40) = { 2, 5}

                                               1

Answer 2

20 | 2
10 | 2
 5  | 5
 1

2²×5 = 20

30 | 2
15 | 3
 5  | 5
 1

2×3×5 =30

40 | 2
20 | 2
10 | 2
 5  | 5
 1

2³×5 = 40


MMC = 2³×3×5 = 120

MDC = 2×5 = 10