First, I will fill it out. (24 points)
1. At the "Give My Love, Save My Compatriots"-Guangzhou National Donation Disaster Relief Party, many units and individuals did good deeds again and raised money on the spot 167050700 yuan. This number is read as: yuan, rewritten as "100 million yuan", which is 100 million yuan.
2.3/4 = () (decimal) = () (percentage) = 12: () = () Folding
3.4.077 tons = kg 100 second = minutes and seconds.
4. If Xiaoming goes west 100 meters and is marked as-100 meters, then Xiaogang goes east 50 meters and is marked as meters. In June, Xiaoli's father got a salary of 2800 yuan, which was recorded as +2800 yuan, so he went to 980 yuan to buy food and recorded it as yuan.
In February this year, Uncle Zhang deposited 10000 yuan in the bank for one year, with an annual interest rate of 2.25%. The interest due is RMB yuan, calculated at 5% of interest tax, which should be RMB yuan.
6. Peel off a cylinder with the largest volume from a cuboid with a length of 12CM, a width of 8CM and a height of 16CM. The volume of this cylinder is.
7. It takes at least 1 sheet iron square meter to make a cylindrical sheet iron ventilation pipe with a length of 3 meters and a nozzle diameter of 0.2 meters.
8. The students went to collect plant specimens and collected one in the fourth grade. The number collected by grade six is three times that of grade four, and it is collected by grade six.
I found one. When a = 20, the sixth grade is more than the fourth grade.
9. In the right triangle ABC, the two right-angled sides are AB and BC, AB=4CM, BC=3CM. When the right triangle rotates around the right side AB, the volume of the obtained three-dimensional figure is cubic centimeters.
Si Nuo. 10. 1 Bus No.2 leaves from the departure station at 7: 00 in the morning. 1 Bus No.2 runs every 5 minutes, and Bus No.2 runs every 4 minutes. The second time the two cars left at the same time was.
1 1. The bathroom floor is paved with black and white tiles (as shown below). The area ratio of black and white floor tiles is. If the area of this bathroom is 10 square meter, then the area of black floor tile is square meter.
12. The unit price and quantity of different notebooks with the same money are as follows.
Unit price/yuan
1.5
2
2.5
three
Quantity/books
20
15
12
10
The unit price in the table is in direct proportion to the quantity. If you use this money to buy 40 notebooks, the unit price of each notebook is RMB.
13, the height of cylinder and cone is equal, and their volume sum is 72 cubic decimeters, which is smaller than the volume of cylinder.
Second, I will choose. (Fill in the serial number of the correct answer on the horizontal line) (6 points)
1. Three pieces of cardboard in the following shapes can be folded into a cube. What can't be folded into a cube is.
2、
There are 48 workers in a workshop, so the ratio of male to female workers in this workshop can't be.
① 1﹕ 1 ② 1﹕2 ③ 3﹕2 ④ 5﹕3
4. Fold a square piece of paper in half for three times in a row, and then unfold it, one of which occupies the square piece of paper.
①1/3②1/4③1/8④ cannot be determined.
5. In this arrangement, the 50th number from the left is.
①△②○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
6. In a math exam, the scores of five students from small to large were 76, 82, A, 86 and 92, and their average score might be.
① 75 points, ② 84 points, ③ 86 points and ④ 93 points.
Third, count 26 points
1. Write the number directly. (4 points)
2.8+4.02= 2.5×4 1= 23.4÷ 10= 1.5+6- 1.5
1/2- 1/3 = 4.8÷ 12= 1/3÷ 1/9 = 3.9×5× 1/3=
2. How to calculate the following questions as simple as possible? (12)
1.89+3.6+6.4+0. 1 1 2/3-5/9× 1 1/2- 1/6.
1.2×99+ 1.2 [3/4—(4/5 -3/ 10 ) ]×8/ 1 1
3. Solve the equation. (9 points)
X+3/4x = 2. 1 2.7÷ 120% X = 9( 13-X)×3/4 = 6
Fourth, the operation exercise 1 1 minute.
1. Draw on the grid paper as required and answer the questions. (The side length of each square represents 1 cm)
The (1) number pair indicates that the position of point A is (,).
(2) Draw a circle with a radius of 3 cm with point A as the center. Calculate that the area of this circle is square centimeters.
(3) Reduce the triangle by 1∶3 and draw a reduction diagram.
2. The following is a partial route map of bus No.6 somewhere.
(1) Bus No.6 starts from the railway station and turns to (). The direction to the library.
(2) Go from the library to the hospital (), and then go to () (). Direction arrival
Children's Palace.
(3) It is known that the actual distance from the Children's Palace to the central square is 4 kilometers. Measure and calculate the scale of this picture (3 points)
Fifth, solve the problem. (1 ~ 4 questions with 6 points, 5 questions with 9 points and * * * 33 points. )
1.The distance between A and B is 350 kilometers. Xiao Wang and Xiao Li drive from A and B at the same time. Xiao Wang's speed is 80 kilometers per hour, and Xiao Li's speed is 60 kilometers per hour. A few hours later, two cars met.
2. Xiao Liang's current height is1.53m, which is three times higher than when he was born, by 0.03m.. How tall was Xiao Liang when he was born? (column equation solution)
3. Xiaogang's father bought fruit flowers 157 yuan. The money for buying apples is more than two-thirds of that for buying pears. How much did you spend on apples and pears, 7 yuan?
Xiaofang has 45 stamps, 25% more than Xiaohua. How many stamps does Xiaohua have?
5. The statistics of boys and girls in grades one to three of Lianhua Primary School are as follows.
grade
gender
Grade?One
Grade?Two
Grade?Three
man
1 10
120
1 10
woman
90
130
100
Complete the following questions as required.
(1) Complete the bar chart according to the data in the table.
(2) The number of students in grade is the least.
(3) There are people in every grade on average.
(4) There are% more boys than girls in the third grade.