Răspunsuri

2014-11-04T15:03:24+02:00
1) 1,2,4,
2) 120 , 150 , 180 
3) 2+3+5+7=17
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2014-11-04T15:06:08+02:00
1) D12 = {1, 2, 3, 4, 6, 12}
D20= {1, 2, 4, 5, 10, 20} 
D (12, 20) = {1, 2, 4}
2) M30= {120, 150, 180} , a.i. x∈M , 100≤x≤200
3) 2+3+5+7=17