aflati x din egalitatile
x+1/2=5/2
3/5+x=4/5
2/3+5/6=x
x-3/11=5/11
11/4-x=3/2
5/7=15/7-x
3/13-2/39=x
2 1/3+x=3 1/9
x-3 2/5 = 22/3
7 1/4 - x =3 1/5
7/9+x/9=13/9
x=3 4/5- 2 1/3
unde vedeti ca dupa o cifra e putin loc si apoi o fracti inseamna intregi si fr
x+1/2=5/2
3/5+x=4/5
2/3+5/6=x
x-3/11=5/11
11/4-x=3/2
5/7=15/7-x
3/13-2/39=x
2 1/3+x=3 1/9
x-3 2/5 = 22/3
7 1/4 - x =3 1/5
7/9+x/9=13/9
x=3 4/5- 2 1/3