2+2+2=6 3×3-3=6 ?4+?4+?4=6 5÷5+5=6 6÷6×6=6 7-7÷7=6 8的立方根+8的立方根+8的立方根=6 9÷?9+?9=6
5/6×6÷5/6×6=(5/6÷5/6)×(6×6)=1×36=36