<em>Bonjour,</em>
<em />
<em>Nicolas voudrait "acheter" un pull de laine.</em>
A. acheter
Ils ont pris un bain à la plage
Answer:
I'd use a translator like 'Reverso Translation'.
First of all: I cannot see the entire problem.
Second: This is posted in the wrong category. You have posted it in the French category, while clearly you have a Mathematical problem to deal with.
I would suggest changing the category so that people like me would be able to help you. I wish you all the best!