Question

Q4.Rewrite the sesentences using the adverb'too'.

This calculation is so complicated that one cannot understand it.​

Answer 1

Question :

Rewrite the sesentences using the adverb'too'. This calculation is so complicated that one cannot understand it.

Answer:

This calculation is too complicated that one cannot understand it.

or

This calculation is too complicated to understand.

Instead of so it is replaced by too.

Answer 2

This calculation is too complicated to understand.

This is the answer :)