Question

Calculează:
A) cmmdc (28;80)
B)cmmmc (12;20)
C)cmmdc (50;100)
D)cmmmc (120;180)

Answer 1

Răspuns:

Explicație pas cu pas:

28 = 2^2*7

80 = 2^4*5

cmmdc (28; 80) = 2^2 = 4

__________

12 = 2^2*3

20 = 2^2*5

cmmmc (12; 20) = 2^2*3*5 = 60

__________

50 = 2*5^2

100 = 2^2*5^2

cmmdc (50; 100) = 2*5^2 = 50

__________

120 = 2^3*3*5

180 = 2^2*3^2*5

cmmmc (120; 180) = 2^3*3^2*5 = 8*9*5 = 360