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Math Magic: Let you solve boring problems easily.
Mathematics is a daunting subject, but we can make it more interesting through some tricks. This article will introduce you to a mathematical magic, so that you can easily solve boring problems.

Chameleon formula

Let's look at a formula: (2a-3b)×(2a+b). This formula seems ordinary, but it has magical changes.

Four small steps

We can solve this formula in four small steps: 2a×2a, 2a×b, (-3b)×2a, (-3b )× b, which seem simple, but they are the key to solve our problem.

Thinking and correcting mistakes

In the process of calculation, we need to constantly think about and correct mistakes. For example, when we calculate, we find that -6ab should be -3ab, because there is a -3b in front. At this time, it is necessary to find mistakes and correct them in time.

Final answer

Through four small steps of calculation and thinking about error correction, we got the final answer of this chameleon: 4A 2-3A B-3B 2. The answer seems simple, but it is the key to solve our problem.

Math can also be fun.

Through this little magic trick, we can find that mathematics can also be very interesting. As long as you master some tips, you can easily solve boring problems.