The yogurt, of course, clogs, but here the milk clogs. Words are similar...
And the fact that the methods change every year does not mean that the parents are idiots and fear in vain, but that all these methods, fucking, would have been at least one decent, it would have stopped.
It is fun to decide those children whose parents have a familiar go-ped who suggests the correct answer.
As a result, those who try to understand and solve tasks in which there is no logic, it is stunned that they are stupid because they can not cope with the simplest things, and those who get five, answering on the hint, understand that nothing and solve is not necessary, you will be told how correctly.
After that, Mr. Teacher, at least be motivated.