Whats 1 cuded , 2 cuded, and 3 cude in an exoresssion

I do not fully understand your question but I will still try to answer it. One cubed may look like this: 1³. Two: 2³. and Three: 3³. Written in an expression may be a bit difficult, but I may try. 1³- 2³ + 3³ = X. I hoped I helped in a way!