Pristavte cisla 21;35;39;45;105 v vide summa trex prostix cisel.

Question

Pristavte cisla 21;35;39;45;105 v vide summa trex prostix cisel.

Answer 1

21 = 7 + 7 + 7

35 = 11 + 11 + 13

39 = 13 + 13 + 13

45 = 11 + 17 + 17

105 = 31 + 37 + 37