Răspuns:
☕ SALUT! ☕
e.(11/45-1/30)*18/19=19/90*18/19=1/90*18=1/5
f.(11/12-7/15)*10/9+1/2=
9/20*10/9+1/2= se simplifica 9
1/20*10+1/2=
1/2+1/2=
=1.
Explicație pas cu pas:
e.- se simplifica 19
