Question

Efectuati:
10 p
Multumesc!​

Answer 1

Răspuns:

d) 1/10+1/2+1/3=3/30+15/30+10/30=28/30=14/15

e) 1/3+2/3=3/3=1

f) 9/10+1/10=10/10=1

g) 5/18+2/3+9/2=5/18+12/18+81/18=98/18=49/9

h) ((x^3+x^2+x^2+x)/(x^3+2x^2+x)=1

i) (4a+2)/(2a+1)=2

j) (y+2)/(4y+6)×(2y+3)/(2y+4)=1/4