Studying to solve problems, winter vacation homework

The two set off in the same direction at the same time, and after 45 minutes, A caught up with B, at which point A ran one more lap than B.

Therefore, the length of the circle is (250-200)*45=2250 meters.

If two people start in opposite directions at the same time and in the same place, they will meet after 2250 (250+200) = 5 minutes.

1 All 2It shows "I" love for the red schoolbag and a strong desire to get it3Loved the red bag so much and was eager to get it.

I found a stationery store that sells red school bags.

Grinding parents to buy red school bags.

I got my beloved red school bag.

Treasure the red bag of memories to learn lessons.

4.Because my father collided with a yellow croaker cart in order to buy a red schoolbag as soon as possible, he fell and was injured.

5.If you like beauty, you don't necessarily have beauty, but it is enough to know where beauty is with a heart that loves beauty, so refer to it.

Is it a translation of a short text?

Once upon a time there was a wild horse and a domestic horse.

Mustang is thin and small, and he spends his entire life outdoors. The grass on the hillside is his food all year round. Sometimes, he walks many meters in search of fresh water, and at night he is surrounded by dangers from wolves.

The horse is fat and strong, and in the summer he can eat abundant grass, and in the winter he has corn and hay to eat. There was also fresh water for him to drink, and he stayed in a safe stable at night.

Mustang has always wanted to live like a family horse.

One day, wild horses were looking for grass on a hillside. As he looked down the hill, he saw the horses walking slowly along a path, and there was a large bundle of wood on their backs. As the mustang was looking at it, the house horse stopped to take a bite of the grass on the side of the road.

Suddenly, his master began to beat him with a wooden stick.

I've changed my mind about my lifestyle now," Bronco thought, "and I see how much you're paying for the food they give you." ”

Set: x people make flowers, then (57-x) people make masks.

18x=10（57—x）×2

x=30

Xu Shu entered Cao Ying-a word that was not high-minded.

There is no star smile and no omen, the scale - how can there be an accurate head.

Moving wood in the alley goes straight to the ground.

The nephew plays the lantern - as usual (uncle).

Zhang Fei eats bean sprouts - a piece of cake. Hope.

Surface area: 5x pie x 3 = 15 pie.

Volume: (5 2) x (5 2) x pie x3 = 75 4 pie.

It's simple. First calculate the surface area of the upper and lower circles, and then add the surface area of the surrounding circle, the surrounding circle can be spread out into a rectangle, the length of the rectangle is the circumference of the circle below, and the width is 3