1). If both the minuend and the minuend increase by 3.5, then the difference is ().
2). The number more than 3.96 1.07 is ().
3). Expand 28.45 by 1000 times, and then reduce it by1000 times, and the number is ().
4).4 percentile is smaller than percentile ().
5), a nine-digit number, the number on one digit is 7, the number on the tenth digit is 2, and the sum of any three adjacent digits is 15. This nine-digit number is ().
6), a two-digit number, its decimal point moves to the right, and the result is 4 1.85 larger than the original number. The original two decimal places were ().
7) There are 48 books in the corner. Xiao Fang wants to make the number of books on the three shelves equal. She first took eight books from the first floor and put them on the second floor, and then took six books from the second floor and put them on the third floor, and it was over. Excuse me: There was a book on the first floor, a book on the second floor and a book on the third floor.
8) There is a wall clock, which strikes once every hour, several times at what time, six times at five seconds, 12 times at () seconds.
9) Every floor of a building should take 16 steps, and there are 64 steps to Xiaoying's house, where Xiaoying lives.
10), the average of A, B and C is 97, the known number A is 95, the number B is 92 and the number C is ().
1 1), dividend is 3320, quotient is 150, remainder is 20, and divisor is ().
12) and 468 are the sum of three consecutive natural numbers, of which the smallest number is ().
13), fill in parentheses in the following formula to make the equation hold.
5×8+ 16÷4-2=20
14), the sum of the two numbers is 444, the large number is divided by the fractional quotient 1 1, there is no remainder, and the large number is ().
15), four 5' s and three 0' s make up a seven-digit number, those who read three zeros are (), and those who don't read any zeros are ().
16), Xiao Ming and his father are 48 years old this year, and he and his father will be 100 years old in the next year. 10, the sum of a and b is 2 18. If we add up the number C, the average of the three numbers is 5 more than the average of the two numbers A and B, and the number C is ().
17), in the figure on the right, the number of all squares is ().
Second, use a simple method to calculate and write the main process.
395-283+ 154+246- 1 17 8795-4998+2995-3002
1+2+3+4+5+ +49+50 125×27×8
395-283+ 154+246- 1 17 8795-4998+2994-3002-2008
1999+999×999 3 1×55+68×55+55
Third, the application problem.
Wang Xue read a story book. On the first day, he read eight pages, and then read three more pages every day than the day before. On the last day, he read 32 pages and just finished reading them. How many days did she study?
2. In the final exam, Xiaodong scored * * 197 in Chinese and science, * * 199 in Chinese and mathematics, and * * 196 in mathematics and science. Which subject is the best? What is the score?
A rectangular piece of paper, 66 cm long and 33 cm wide, can be made into a triangular red flag with a bottom of 33 cm and a height of 22 cm. How many noodles can you cook at most?
There are several tons of cement in the warehouse. On the first morning, half of the stored cement was shipped out, and in the afternoon, it was shipped out 10 ton. There are still 44 tons of cement in the warehouse at this time. How many tons of raw cement are there?
The circumference of a square is equal to the circumference of a rectangle, and the width of the rectangle is 6 meters, which is equivalent to half the length. Find the area of this square.
6. The Fisheries Research Institute released new fish species, with 3,500 small fish per hectare. How many small fish should be put in a fish pond 600 meters long and 450 meters wide?
7 A train runs at the same speed for 4 hours in the morning and 6 hours in the afternoon, which is less in the morning than in the afternoon 136 km. It takes 14 hours 15 minutes for the train to travel from Xi 'an to Beijing at this speed. How far is it from Xi 'an to Beijing? (7 points)
It's all hope!