1. Xiaohua's father can cut five nails a minute. He can cut several nails in five minutes. Twenty, including fingernails and toenails.
2. It takes three minutes for three children to eat three cakes, and how long does it take for ninety children to eat ninety cakes? Answer: In three minutes, 90 children eat at the same time.
My mother has seven pieces of candy. She wants to share it with three children, and she doesn't want to cut the rest. What should my mother do? Answer: Mom eats one piece first, and then gives two pieces to each child.
There are 70 baskets of Chinese cabbage and radish brought back from the canteen, and 18 baskets of radish are more than Chinese cabbage. Then, Chinese cabbage and radish were brought back. Answer: 26; 44。
A house has four corners, one corner has a cat, and there are three cats in front of each cat. How many cats are there in the house? Answer: Four.
6. There is a row of trees by the roadside in the park. Each tree is 3 meters apart. What is the distance between the first tree and the sixth tree? Answer: 15 meter.
7.a is 5 kilometers away from the school, and B is 10 kilometers away from the school. What's the distance between a and b? A: Within the range of 5 km to 15 km.
8. 1 yuan can buy a bottle of soda. After drinking soda, two empty bottles can be exchanged for one soda. Q: If you have 20 yuan money, how many bottles of soda can you drink at most? Answer: A * * * can drink 37 bottles.
(eight-character marriage) 9. Imagine you are in front of a mirror, and the image in the mirror can be reversed. How can you make the image upside down? Answer: Because the mirror is placed vertically when looking in the mirror, and the mirror is symmetrical, it will not be inverted vertically, but only horizontally. Imagine if the mirror is flat on the floor and people are standing on it. People in the mirror, head down, normal profile.
10. What mark can be added between two numbers 2 and 3 to get a number greater than 2 and less than 3? Answer: decimal point