1+1,56×3,66-11=
=1+5,7096-11
=6,7096-11
=-4,2904
1+1,56×3,66-11=?
1+1,56 * 3,66 = 6,7096
=6,7096-11 => -4,2904
1+1,56*3,66 - 11 = 4,2904