Calculator

Suggest you do not pass a simple test, there will be a lot of different tasks in the form of numbers, each of them you'll need to specify the missing number or symbol that the answer was right! all you are given is not much time, so you should consider very quickly and you can select characters, at the end of the test you will be shown your score and you know how well you know the math, as well as how quickly you can not cope with the most simple tasks!