Question

calcule o mdc de:

(90,80)


(120,140)


(45,15)


(180,240)

Answer 1

Olá.

MDC da primeira...

90,80 | 2

45, 40 | 5

9, 8

MDC = 2 • 5 = 10

SEGUNDA...

120, 140| 2

60, 70 | 2

30, 35 | 5

6, 7

MDC = 2 • 2 • 5 = 4 • 5 = 20

TERCEIRA...

45, 15| 3

15, 5 | 5

3, 1

MDC = 3 • 5 = 15

Quarta...

180, 240 | 2

90, 120 | 2

45 , 60 | 3

15, 20 | 5

3, 4

MDC = 2² • 3 • 5 = 4 • 15 = 60