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va rogggggggggggggggggggggggggggggggggggggggggggggggg

Va Rogggggggggggggggggggggggggggggggggggggggggggggggg class=

Răspuns :

a)
2x3=6 lei (sora lui)
2x2=4 lei (luca)
6+4=10 lei (împreuna)

b)
50=sora
30 luca
50+30=80 (suma platita de cei doi frati)