Răspuns:
Explicație pas cu pas:
2 1/3*4/7+9/5:3-1/12=
=7/3*4/7+9/5*1/3-1/12
=4/3+9/5*1/3-1/12
=4/3+9/15-1/12
=80/60+36/60-5/60
=116/60-5/60
=111/60
=37/20
