Tisch
There are 50 passengers on the bus. 1 and no. 197. When the bus arrived, some people got off and seven people got on. At this time, 23 people were missing from the car. How many people got off the bus?
The distance between a and b is 405 meters. Xiao Ming and Xiao Fang started from two places at the same time and went in opposite directions. They will meet in three minutes. Xiao Ming walks 65 meters per minute on average, and Xiao Fang walks how many meters per minute on average?
3. A cow and an elephant weigh 5445 kilograms, and the weight of an elephant is equivalent to the weight of eight cows. What are the weights of cows and elephants?
Xiao Ming spent 7 yuan money to buy stamps with 6 cents and 8 cents denominations. The numbers of these two stamps are the same. How many stamps did Xiaoming buy?
5. Changjiang Garment Factory has 1200m cloth, and made 150 sets of adult clothes, each set of 5m cloth. The rest of the cloth is used to make children's clothes. How many sets of children's clothes can I use every 3 meters of cloth?
6. The surface area of the earth is 5 1 100 million square kilometers, of which the ocean area is about 2.4 times of the land area. How many billion square kilometers is the ocean area and land area on the earth?
extreme
1, * * There are 1428 tennis balls, and every five tennis balls are packed in a bucket. There are three tennis balls left after loading. How many tennis balls are there in a box?
2. The Forbidden City covers an area of 720,000 square meters, which is 65,438+600,000 square meters less than Tiananmen Square. What is the area of Tiananmen Square?
3. Tongxin County in Ningxia is a "thirsty" area, with an annual average evaporation of 2325mm, which is more than 8 times of the annual average precipitation 109mm. What is the average annual precipitation in Tongxin County?
Cheetah is the fastest animal in the world, and its speed can reach 1 10km, which is more than 30km twice that of elephant. How many kilometers per hour can an elephant reach at the earliest?
Asia is the largest continent in the world, with an area of 44 million square kilometers, which is 865,438+200,000 square kilometers more than that of Oceania. What is the area of Oceania?
6. The building is 29.2 meters high, and the first floor is ready to open a shop. The floor is 4 meters high, and the upper 9 floors are residential. What is the height of each floor of the house?
7. Among the nine planets in the solar system, Mercury is the closest to the sun. It takes 365 days for the earth to go around the sun, which is four times longer than that of mercury. It takes 13 days. How many days does Mercury go around the sun?
Tisso
1. If you stop in the parking lot once, you should pay 5 yuan. If the parking time exceeds 2 hours, it shall be paid to 2 yuan every 1 hour. A car leaves the parking lot and the owner pays 13 yuan parking fee. How many hours has this car been parked in this parking lot?
2. What is the column number 1. 1, 2.2, 4.3, 5.4, 7.5, 8.6 ...?
There are five Mondays in a month, but the first and last day of this month are not Mondays. Do you know what day it is on the first day of this month?
Mingming's mother is 32 years old, and her age is 6.4 times that of Mingming. How old is Mingming when her mother is 3.7 times as old as Mingming?
Xiaoming arrived at B place on time at a speed of 40 kilometers per hour, but because he was 0.25 hours late when he started, the car was driving at a speed of 50 kilometers per hour, and the result was 0.05 minutes earlier than the scheduled time. What is the distance between a and b?
6. The sum of two adjacent natural numbers is 97. What are two natural numbers?
7. Six cans and nine beverage bottles, all at the same price. A * * * is 1.5 yuan. How much is each?