The first question in mathematics is generally not a? The last question won't be a, will it? The answers to multiple choice questions are evenly distributed? Don't just fill in the blanks with 0 or 1. If the answer has a symbol on the side, don't choose it. If the answer is 1, select.

When all three answers are yes, choose the right one.

When one is positive X and the other is negative X, if you choose between the two, the question looks simple, then the answer is complicated, and vice versa.

What to choose from the last question, what to choose from this question, and three consecutive identical ones are not suitable for this article.

When none of the above is practical, choose B? In the calculation, you should write an answer first.

If the number of options is 4, usually the second largest option is the correct option. ? Looking at the options alone, there are generally more BD and less A.

One more thing, don't change it unless you are more than 90% sure. ? Fill in the blanks according to the selection of related graphics can take special values.

The last two choices in mathematics are either C or A.