That's not a good analogy. A good mathematician isn't necessarily dealing with calculations, i.e. long division, but rather with proof.
No-ones becomes a good mathematician without first learning to write simple proofs, and then later on more complex proof. It's the very stuff of the field itself.
No-ones becomes a good mathematician without first learning to write simple proofs, and then later on more complex proof. It's the very stuff of the field itself.