100,000 urgent, come and help!!

If I knew, I would have told you.

In the same circle, the diameter is twice the radius 7 2 = 14 meters.

The distance is the radius plus the width of the path 7+1=8 meters.

Are you an elementary school student?

The diameter is 14 meters, and the distance is 8 meters.

Learn that aspect, can you tell us about it?

Knot cover respectfully only open the fruit and the mountain is cautious:

1.Vertically intersected.

2.Origin 0,0).

3.It doesn't belong.

4.Vertical and horizontal.

It was a sunny day. Just as I was having fun with my classmates, the cry of a little brother caught my attention. His tears were falling and pitiful.

I ran over and said, "Little brother, what's wrong with you?" Tell Big Brother and I'll help you!

The little brother raised his head, blinked his big watery eyes and said, "I ......."Me and ......”

Don't be afraid, speak slowly, I'll help you! ”

My mother was chatting with others, and I ran to the side to play, but it was ......But ......When I came back, my mother was gone! Woo......Woo......I want Mom! ”

I coaxed and persuaded him, and finally persuaded him. After figuring out what happened, I comforted him and said, "Good boy, don't cry, little brother, mom must not have gone far yet, she will come to you."

If you have a sister, don't be afraid! "I took my little brother by the hand, looked east and west, and looked for his mother everywhere in the neighborhood. He searched everywhere he could think of, but his mother was nowhere to be found.

It was getting dark, and just as I was comforting my little brother who was crying again, an anxious aunt ran over. The little brother burst into tears and laughed when he saw it, and ran over with a cry of "Mommy, Mommy". The aunt hugged the little brother and cried excitedly:

Where have you gone? I've been looking for my mother for a long time, and I'm dying! ”

It was the eldest brother who brought me to you! The little brother pointed at me.

Oops, thank you, thank you so much! You're so well-behaved! "Auntie is very grateful.

I was very happy to see the excitement and joy of their mother and son, even though they didn't know my name.

Immanuel Kant once said, "There are only two things in this world that shake the hearts of men: one is the brilliant stars above their heads, and the other is the lofty moral standards in their hearts."

I think doing something good can make people feel so happy! I will keep this sentence firmly and forever in my heart, and I will do more good deeds throughout my life.

Don't be kind enough to help. You have to think analytically first. Putting it into action!