Qual è la somma di # 2/5 # e # 2/4 #?
Qual è la somma di # 2/5 # e # 2/4 #? Risposta: #9/10# Spiegazione: First note that #2/4″ may be simplified”# #cancel(2)^1/cancel(4)^2=1/2# hence #2/5+1/2″ is now the sum”# Since the denominators ( 5 and 2 ) are different we cannot add them. We have to have a common denominator before we can do this. … Leggi tutto