Question

mmc e mdc
90 e99
75e80
100e120
60e66

Answer 1

a)
90, 99|2
45, 99|3
15, 33|3
5, 11 |5
1, 11 |11
1, 1

MMC= 2*3*3*5*11= 990
MDC= 3*3= 9

b)
75, 80|2
75, 40|2
75, 20|2
75, 10|2
75, 5|3
25,5 |5
5, 1|5
1, 1

2*2*2*2*3*5*5= 1200
MMC= 1200
MDC= 5

c)
100, 120|2
50, 60|2
25, 30|2
25, 15|3
25, 5|5
5, 1|5
1,1

2*2*2*3*5*5= 120
MMC= 120
MDC= 20

d)
60, 66|2
30, 33|2
15, 33|3
5, 11|5
1, 11|11
1, 1

MMC= 2*2*3*5*11= 660
MDC= 2*3= 6

Beleza?