There are many round things around us. In mathematics, we should also learn circles. Let me introduce you.

Picture appreciation

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Data: Interesting math problem

1, Xiao Xin bought a batch of small toys. 10 for each group, minus 2 points; If each group is 12, then you have just finished scoring, but you will lose one group. Please think about it. How many toys does a * * * have?

A: There are 48 toys in this batch. The same set of toys ***X, and then the equation can work out the answer.

For a residential building, it takes grandpa six minutes to walk from the first floor to the third floor. Now it takes him six minutes to walk to the sixth floor.

Answer: 15 minutes. It takes 6 minutes to walk two floors from the first floor to the third floor, that is, it takes 3 minutes to walk one floor, and there are five floors from the first floor to the sixth floor. 3 times 5= 15 minutes.

Data: an interesting world of mathematics

At the meeting, I saw that the pony on the side looked a little wrong.

He leaned into his ear and said, "Pony, why don't you look well?"

Although you just joined us, you are an indispensable member.

We should fight side by side in the future and share any difficulties.

Don't hold back everything. "

The pony nodded thoughtfully and then let out a fart.