For example, when I learn about Supercomputing to the account. Teachers report that orders must have a calculator. Although I would have done, but I'm going to re-send version. To do so, verify that it is valid or not.
For example When I learned related to the account. Teachers ordered to report to the calculator. Although I have done. But I did go to the next round. For sure it's done properly, or not entered.
For example, when I learnt about the account. The teacher ordered to report to the calculator. Although I did, but I"m more again To check that do it right or not?