Question

Va rog repede il am de predat pt azi dau coroana​

Answer 1

Răspuns:

c)

7/18 - 3/2 - 11/9 + 4 =

Numitor comun 18 :

(7-27-22+72)/18 =

30/18 =

5/3

d)

-2/21 - 3/7 + 5/42 - 9/14 =

Numitor comun 42 :

(-4-18+5-27)/42 =

(-44/42) =

(-22/21)

e)

-7/11 - 1/4 + 1/2 - 5/22 =

Numitor comun 44 :

(-28-11+22-10)/44 =

(-27/44)

f)

2/7 - 1/14 + 5/6 - 13/42 =

Numitor comun 42 :

(12-3+35-13)/42 =

31/42