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Yang Yang, a futures forex trader.
Xiaojun's is faster

Because Yang Yang's three masks are 18 minutes, and each mask is 6 minutes. Compared with Xiaojun's 5 minutes, it is one more minute, so Xiaojun's is faster.

I will share with you the most classic math problem in primary school to exercise children's mathematical thinking. Children of other grades can also keep one copy for future review.

It is known that the price of the table is 10 times that of the chair, and the table is 288 yuan more expensive than the chair. How much is a table and a chair?

Solution: According to the known conditions, a table is 288 yuan more than a chair, which is exactly (10- 1) times the price of a chair, so the price of a chair can be obtained. According to the price of chairs, we can get the price of a table.