Xiao Ming's money for buying a pencil box is multiplied by 4, divided by 2, added by 3, subtracted by 2, and divided by 3 to get 3. Xiaoming's pencil box is 4 yuan.
Mom bought less than 20 pieces of candy, 3 pieces of land are still 2 pieces, and 5 pieces of land are still 2 pieces. Mom bought (17) candy after all.
A bridge is 25 meters long, and there are lights on both sides of the bridge every 5 meters. The first lamp is at the beginning of the bridge, and the last lamp is at the end of the bridge. There are (12) lights on the bridge.
The four sides of a square fish pond are 32 meters long, and a column is inserted every 4 meters on its four sides. How many (8) pillars should be inserted in a square fish pond? Two poplars are planted between every two rows, and there are (16) poplars.
16 people cross the river, and each boat can only accommodate 4 people. It takes at least (5) times to cross all 16 people to the other side.
One day at noon, the school cafeteria served three staple foods and four non-staple foods. Xiaohong went to the canteen to eat. She chose 1 staple food and non-staple food respectively. She has (12) different choices. (staple food; Non-staple food such as rice, steamed bread and noodles: vegetables, sliced meat, fish and radish)
There is a kind of water grass in the pond, which grows at the rate of 1 times every day. A pond 1 1 day can be full, and half a pond (10) day can be full.
There are six blue balls and six yellow balls in the schoolbag, all of which are the same shape and size. To ensure that two balls of different colors are taken out at a time, at least touch out (? 7 ? ) balls.
Mom bought a pack of jelly ***60 pieces, and Tao Tao took out 7 pieces from the basket at a time and put back 2 pieces, and so on for 8 times (taking out 7 pieces at a time and putting back 2 pieces). Finally, there is (? 20 ? ) A jelly.
It takes 4 seconds for the clock to strike 3 at 3: 00, so it takes (20) seconds to strike 0: 001.
Xiao Ming released a flock of ducks, half of them went into the water, half of them divided by 2, and the rest 15 were eating grass. Please calculate, Xiaoming released (60) ducks.
Xiaoling's clock has stopped. When the TV broadcast was at 2 o'clock, grandma set the clock with the TV. Because of her age, she reversed the hour hand and the minute hand. When Xiaoling came home from school, it was only 2 o'clock sharp. I'm surprised. Please help me think about it. It should be (3: 58) now.
There is a bag of rice. I used more than half of the whole bag for the first time, more than half for the second time, and finally there are 6 kilograms left. This bag of rice used to have (50? ) kg.
Dahua and Xiaogang each have 10 pictures. After Dahua gave Xiaogang two pictures, Xiaogang had more pictures than Dahua (? 4 ? ) Zhang.
The weight of two strawberries is equivalent to the weight of an apricot, and the weight of eight apricots is equivalent to the weight of a peach (? 16 ? The weight of a strawberry is equivalent to the weight of a peach.
15 balls are divided into four piles with different numbers, and the pile with the largest number is (9) balls.
On the podium, eight students took the stage to receive the prize. Every two of them shook hands with each other. They shook hands (? 28) second hand.
There are five black and five white balls in the box. They have the same shape and size. Make sure to take out two balls of different colors at a time, at least (? 6 ? ) a ball