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repede va rog frumos

Repede Va Rog Frumos class=

Răspuns :

3)
stim ca fiecare para are doua doimi si respectiv 4 patrimi
2/2 + 2/2 + 2/2 + 2/2 + 2/2 = 10/2 = 5 (pere)
1/2 + 1/2 = 2/2

4/4 + 4/4 + 4/4 + 4/4 + 4/4 = 20/4 = 5 (pere)
1/4 + 1/4 + 1/4 + 1/4 = 4/4

4)
1/2 = 2/4
1/2 + 1/2 = 2/4 + 2/4