Costruisci un'equazione matematica che sommi 15.
'7 + 8 = 15, 3 + 4 + 8 = 15, 9 x (1 + 2/3) = 15' translates to '7 + 8 = 15, 3 + 4 + 8 = 15, 9 x (1 + 2/3) = 15' in Italian. The mathematical expressions are the same in both languages.