x :(3/4·(1/3) - 1/12) = (3 - 7/4):(1/4 + 1/6)
x:(1/4 - 1/12) = 5/4:(5/12)
x:(1/6) = 5/4:(5/12)
x = 1/6·(5/4):(5/12)
x = 5/24:(5/12)
x=5/24·(12/5) = 1/2
@lucianop grazie 😉
Home
Profilo
Menu