Respuesta :
Answer:
All your doing is going over your work to make sure you did not miss anything on the test and that u completed the whole test make sure to put your whole full name on the paper and the date.
Step-by-step explanation:
the simple answer
brailiest pls
Answer:
it means use other ways/methods that will lead you to the same answer e.g 45+45=90 or 90-45=45