Question

M.D.C (48 e 32)

M.D.C (18, 27, 45) = 3.3 =

Answer 1

M.D.C(48,32) =  16

         1    2
48 | 32 | 16 |
 16   0

M.D.C(18,27,45) =  9

         1     1   2
45 | 27 | 18 | 9  |
 18   9     0
       2
18 |9 |
 0

Answer 2

a)

48,32: 2
24,16: 2
12,8: 2
6,4: 2
3,2: 2
3,1: 3
---------------
1,1     = 2.2.2.2 = 16

Resp.: (mdc 48,32) =  16
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b)

18,27,45: 2
9,27,45: 3
3,9,15: 3
1,3,5: 3
1,1,5: 5
-------------
1,1,1              = 3.3 = 9

R.: mdc (18,27,45) = 9