Question

ex 12,13,14,15
E pe mâine va rog mult.
e ok și dacă faceți doar un ex​

Answer 1

1/3+5/18+2/9+4/27

9/27+5/18+4/18+4/27

9/27+4/27+5/18+4/18

13/27+9/18

13/27+1/2

26/54+27/54=53/54

3/20+47/180+4/15+7/60

27/180+47/180+48/180+21/180

143/180

3/25+7/60+11/50+13/100

12/100+13/100+7/60+11/50

25/100+7/60+11/50

1/4+7/60+11/50

750/3000+350/3000+660/3000

1760/3000