1. There are two tea-picking groups. The first group of 36 people, a * * * picked 540 kg of tea, the second group of 42 people, a * * * picked 708 kg of tea. How many kilograms does each group pick on average?
2. The canal will be built, with an average of180.5m per day before April and 2650m per day after 14. How many meters do you want to build every day in April?
3. An engineering team builds an expressway, the first 8 days 100 km, and the second 8 days 10 day, 26.9 km per day. How many kilometers does this road repair team repair on average every day?
4. The distance between Party A and Party B is1800km. A plane flies from A to B at a speed of 360 kilometers per hour. It takes less time 1 hour to return with the wind. How many kilometers does it fly back and forth on average?
5. The distance between Party A and Party B is156km. A car starts from Party A downhill, arrives at Party B in 5.2 hours, and then goes uphill from Party B to return to Party A, which is 2.6 hours longer than when going. Find the average speed of this car going back and forth.
6. Wang Tong's average score in Chinese, Mathematics and Science this time is 92. The natural score is known as 86. What is the average score of Chinese and mathematics?
The second application topic of junior high school second grade foundation
1. The output value of a chemical fertilizer plant increased by 20% this year, 5 million yuan more than last year. How much is this year worth?
2. The fruit company stores a batch of apples, and delivers them after selling 30% 160 boxes, which is more than the original apples110. How many boxes of apples are there?
3. The original price of a commodity is 20% less than the current price, and the current price is 1028 yuan. What is the original price?
The interest earned from the education savings is tax-free. Dad saved Xiao Xiao's education savings for three years, with an annual interest rate of 5.40%. Upon maturity, * * * received the principal and interest of 22,646 yuan. What is the principal of the education savings fund that Dad gave Xiao Xiaocun?
5. The clothing store bought two clothes at the same time, each of which earned 120 yuan, but one of them earned 20% and the other accompanied 20%. Did the two clothes sold by the clothing store make money or lose money?
6. The father is 43 years old and the daughter is 1 1 year old. A few years ago, my daughter was 20% older than my father.
The application of the second grade foundation in junior high school
1. A factory has a batch of coal. It was originally planned to burn 5 tons a day, which can last for 45 days. In fact, it burns 0.5 tons less every day. How many days can this batch of coal burn?
2. The school bought150m long plastic rope, cut off 7.5m first, and made three skipping ropes with the same length. According to this calculation, how many plastic ropes are left?
3. To build the canal, it was originally planned to build 0.48km every day and complete it in 30 days. Actually, it's repairing 0.02 kilometers every day. How many days was it actually repaired?
4. Miss Wang reads a book. If he reads 32 pages every day, 15 days will be enough. Now I read 40 pages a day. I can finish reading them a few days in advance.
A car traveled 260 kilometers in four hours. At this speed, it traveled for another 2.4 hours. How many kilometers have you traveled before and after? (Answer in two ways)
6. Shihe Farm first dispatched 8 harvesters to harvest late rice, and harvested 19.2 hectares two days ago, and then increased to 13 harvesters. At the same speed, they cut for another four days. How many hectares of land have they cut down?
7. The distance between Party A and Party B is 600 kilometers. A bus and a truck run from Party A to Party B at the same time. The bus arrived four hours earlier than the truck. When the bus arrived at Party B, the truck traveled 400 kilometers. How long does the bus take to complete the journey?