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Adina imparte in mod egal cu prietenele sale 12 portocale,16 banane si 20 de mere.Cate prietene are Adina?

Răspuns :

12=2²·3
16=2⁴
20=2²·5
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cmmdc(12,16,20)=2²=4 prietene are Alina

12:4=3 portocale
16:4=4 banane
20:4=5 mere

3portocale,4 banane,5 mere primeste fiecare prietena
D 12 = {1,2,3,4,6,12}
D 16 = { 1,2,4,8,16}
D 20= {1,2,4,5,10,20}

C.m.m.d.c.:4
Adina are 4 prietene

12:4=3
16:4=4
20:4=5