Răspuns:
Explicație pas cu pas:
1). 28;108
28= 2² *7
108= 2² *3³
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c.m.m.d.c= 2² =4
c.m.m.c = 2² *3³ *7 =756
2). 40;72
40=2³ *5
72= 2³ *3²
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c.m.m.d.c= 2² =8
c.m.m.c = 2³ *3³ *5 =1080
3). 18;60
18=2*3²
60= 2² *3*5
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c.m.m.d.c= 2*3=6
c.m.m.c = 2² *3² *5 =1018
4). 200;120
200= 2³ *5²
120= 2³ *3*5
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c.m.m.d.c=2³ *5 = 40
c.m.m.c = 2³ *3 *5² =600
succes