👤

Calculati x + (y+z) + t stiind ca x + y = 29/43 si z + t = 14/43

Răspuns :

Din nou folosind asociativitatea:
x+(y+z)+t=(x+y)+(z+t)=29/43+14/43=(29+14)/43=43/43= 1

x+y=29/43
z+t=14/43
x+(y+z)+t= x+y+z+t=29/43 +14/43=(29+14)/43=43/43=1