4/9 This is 4/9. Otherwise, it will take a long time to be official. Just make do with it.

4/9×3=

5÷ 1/3 =

1/2÷ 1/3 =

2/7×3/9 ÷2/7 =

2 1/25÷42=

4/5×3/4 =

8.7×0.2=

4×0.25=

1/7× 14=

2/3÷5/6=

1.25×8=

3/5÷5/8=

6/7×3/2=

6×8.8=

4/ 1 1÷4=

4/9×3/8=

5/3÷5=

0÷8/3=

4/7 -2/3=

2/7×2 =

4 1/ 12×4=

4÷3/ 16=

12÷9/4 =

75/8 ÷5=

12× 16/9 =

2/3×3=

8÷9/4 =

5/3÷3/5 =

4/5×5/8 =

7/9×9/7 =

2.64+3.6=

2.4×50=

3500÷70=

2050-298=

2+7÷9=

0.3÷3%=

8 1.2- 1 1÷7-×3=

6696÷62-6.5× 10.6 =

1.89÷ 100=

0.82+0.08=

73× 1=

0.63× 10=

4÷ 10=

17÷ 1000=

0.56+0.4=

1.25× 100=

5.6+99=

100÷25=

1-0.93=

90-0.9=

794- 198=

68×25=

6756- 193-207=

72× 125=

97×360+3×360=

Tired. ~! ~

Don't keep your mouth shut It is something else.

428×(3080- 1980)-742

Verb (abbreviation of verb) written narrative question (5 points for each small question *** 10)

1.978 minus 5 times 126. What's the difference?

2. The quotient of1560 divided by a number is 26. Did you find this number?

List the equations whose unknown number is x, and then solve them.

Six, application problems (1-2 7 points for each question, 8 points for the third item, 22 points for the * * *)

1. A clothing factory produced 850 suits in five days. According to this calculation, how many suits are produced a month? (30 days a month)

2. The store delivered 8 baskets of apples, 12 baskets of pears, with 38kg apples and 42kg pears in each basket. How many kilograms of fruit did this shop ship?

3. A construction site needs 240 tons of cement, which will be transported by five vehicles. Each car carries 3 tons at a time. How many times does it take to transport it? (There are two comprehensive solutions)

What's advanced Let your children do it.

Six-year competition questions

First, calculation. (3 points for each small question, 8 points for the fourth question, and the writing process is required)

1、 1.25× 17.6+36. 1÷0.8+2.63× 12.5 2、7.5×2.3+ 1.9×2.5

3、 1999+999×999

4. Fill in the appropriate number in □. (2 points for each question, 8 points)

( 1) ×( ÷ - )= (2)[( ×9-2)× - 16]÷ =20

(3)( - )÷( 1+ )= 1 (4) + = ×( 1- × )

5、 6、

Fill in the blanks (3 points for each small question, 30 points for * * *)

1 Class and Class 6 (1) The ratio of boys to girls is 8: 7.

(1) The number of girls is the number of boys; (2) Boys account for the whole class;

(3) Girls account for the whole class; (4) There are 45 students in the class, and there are () boys.

2. The ratio of A to B is 7: 3, that of B to C is 6: 5, that of C is A, and that of A to C is (): ().

The reciprocal of 3.0.08 is () and the reciprocal of 2.25 is ().

4, a wire is 3 meters long, and there are () meters left after cutting; A wire is 3 meters long, and there are () meters left after cutting off the meters.

5. Party A and Party B work together, with Party A doing part of the work and Party B doing all the work.

6, square and circle with equal perimeter, () the area is large.

7、( )÷40= 15:( )= =0.625=( )%

8, 0.38, 0.37%, 0.373 in descending order is ().

9. 4m is ()% of 5m %, 5m is greater than 4m ()%, and 4m is less than 5m ()%.

10, use a rectangular piece of paper with a length of 5cm and a width of 4cm to cut out the largest circle, and the area of this circle accounts for ()% of the paper area.

Iii. Graphic calculation (* *17)

1. What is the circumference of the picture below? What is the simplest calculation method? (5 points)

2. The radius of the circular tower bottom of TV Tower is15m, and now a circular lawn with a width of 5m should be planted around it. (pictured) (6 points)

(1) How many square meters of lawn do you need?

(2) If 500 yuan is needed per square meter of lawn, how much does it cost to plant this lawn at least?

It is known that the square in the figure has an area of 20 square centimeters. Find the area of the shaded part. (6 points)

Four, application problems (6 points for each small question, 30 points)

1, the ball falls freely from a height, and the height of the rebound after each contact with the ground is the height of the previous fall. If the ball falls from a height of 25 meters, what is the height of the third rebound?

On a piece of land of 20 hectares, use it to grow wheat, and the rest to grow soybeans and corn. The hectare ratio of soybean and corn is 3: 5. How many hectares of soybeans and corn are planted?

Students take part in camping activities. A classmate went to the teacher in charge of logistics to get a bowl. The teacher asked him how much money he had taken. He said he took 55, and then asked, "How many people eat?" He said, "One person's rice bowl, two people's vegetable bowls and three people's soup bowls." How many people does this classmate bring bowls to?

4. There are 200 students in grade five or six in a school. On Children's Day, there are 1 1 students in grade five, and 25% students in grade six go to the city to participate in the celebration. At this time, the remaining students in the two grades are equal. How many students are there in the sixth grade?

5. build a road. On the first day, the whole road was built, and the rest was built the next day. In two days, the road was completed 135 meters. What is the total length of this road?

I don't know what you think. It is better to solve the problem at so many intersections and buy an exercise book in the bookstore.

I am tired! ! ! ! ! ! ! ! ! 1 1