Question

por favor me ajudem
1 Calcule
a) mmc (2,4)
b) mmc (7,5)
c) mmc (9,1)
d) mmc (8,9)
e) mmc (3,6,9)
f) mmc (2,4,6)
g) mmc (50,75)
h) mmc (60,24)
i) mmc (28,48)
j) mmc (10,12,45)
k) mmc (6,8,12,15)
l) mmc (12,18,36,40)

2) Substitua as letras por números para que as decomposições fiquem corretas e em seguida, calcule o mmc dos pares de números.

a) 30. A | 2
B . 9 | C
D . E | 3
5 . 1 | F
1 . 1 |

b) A . 350 | 2
150 . B | C
D . 175 | 3
E . F | 5
5 . G | 5
1 . 7 | H
1 . 1

Answer 1

Resposta:

1. questão

A) 2, 4 / 2

1, 2 / 2

1, 1

2 × 2 = 4

B) 7, 5 / 5

7, 1 / 7

1, 1

5 × 7 = 35

C) 9, 1 / 3

3, 1 / 3

1, 1

3 × 3 = 9

D) 8, 9 / 2

4, 9 / 2

2, 9 / 2

1, 9 / 3

1, 3 / 3

1, 1

2 × 2 × 2 × 3 × 3 = 72

E) 3, 6, 9 / 2

3, 3, 9 / 3

1, 1, 3 / 3

1, 1, 1

2 × 3 × 3 = 18

F) 2, 4, 6 / 2

1, 2, 3 / 2

1, 1, 3 / 3

1, 1, 1

2 × 2 × 3 = 12

G) 50, 75 / 2

25, 75 / 3

05, 15 / 3

05, 05 / 5

01, 01

2 × 3 × 3 × 5 = 90

H) 60, 24 / 2

30, 12 / 2

15, 06 / 2

15, 03 / 3

05, 01 / 5

01, 01

2 × 2 × 2 × 3 × 5 = 120

I) 28, 48 /2

14, 24 / 2

07, 12 / 2

07, 06 / 2

07, 03 / 3

07, 01 / 7

01, 01

2 × 2 × 2 × 2 × 3 × 7 = 336

J) 10, 12, 45 / 2

05, 06, 45 / 2

05, 03, 45 / 3

05, 01, 15 / 3

05, 01, 05 / 5

01, 01, 01

2 × 2 × 3 × 3 × 5 = 180

K) 6, 8, 12, 15 / 2

3, 4, 06, 15 / 2

3, 2, 03, 15 / 2

3, 1, 03, 15 / 3

1, 1, 01, 05 / 5

1, 1, 01, 01

2 × 2 × 2 × 3 × 5 = 120

L) 12, 18, 36, 40 / 2

06, 09, 18, 20 / 2

03, 09, 09, 10 / 2

03, 09, 09, 05 / 3

01, 03, 03, 05 / 3

01, 01, 01, 05 / 5

01, 01, 01, 01

2 × 2 × 2 × 3 × 3 × 5 = 360