Răspuns:
1. d 162=1,2,3,6,9,18,27,54,81,162
d 108= 1,2,3,4,6,9,12,18,27,36,54,108
d 32=1,2,4,8,16,32
2. a)30 ;b)120 c)60 d)36
3.) 50;75
50 = 2 * 5^2
75 = 3 * 5^2
=> c.m.m.d.c = 5^2 = 25
b) 32;48
32 = 2^5
48 = 2^4* 3
=> cmmdc = 2^4= 16
c) 72;108
72 =2^3 * 3^2
108 =2^2 * 3^2
d) 66;242
66 = 2*3*11
242 = 11^2* 2
cmmdc = 11 * 2 = 22
e) 112; 126
112 = 2^4 * 7
126 = 2 * 3^2* 7
cmmdc = 7 * 2 = 14
f) 50;42;36
50 = 5^2 * 2
42 = 2 * 7 * 3
36 = 2^2* 3^2
cmmdc = 2
g) 150; 75;225
150 = 2*5^2* 3
75 = 3* 5^2
225 = 5^2* 3^2
cmmdc = 75
h) 98; 42; 105
98 = 7 * 2
42 = 2 * 7 * 3
105 = 5 * 7 * 3
cmmdc = 7
