"/"- supra
"x" - Ori/înmulțit
=6 + 11/5 : (8/3 - 6/5) + 1 : [(5/3 + 1/7 - 2/21) 1/6]=
=30 + 11/5 : (40-18/15) + 1 : [35 + 3 - 2/21) 1/6]=
=41/5 : 22/15 + 1: (36/21 x 1/6)=
=41/5 x 15/22 + 1 : 6/21=
=41x3/22 + 1 x 21/6=
=123/22 + 21/6=
=123/22 + 21/6=
=738+462/132=
=1200/132=
=200/22=
=100/11= 9,09