Though!you!reach!the!answer!for!each!question,!don’t!
forget!to!write!down!the!conclusion!as!well!!!!
Moreover,!forgetting!about!units!is!also!counted!as!
mistakes.
4. If!the!answer!of!any!questions!contains!many!digits,!
you!can!only!write!down!the!answer!with!2!digits.