22*36*82
98*36- 14
39+68* 120
55* 108
92*72/3*2
9.85*2.36
3.875*2.3
36.9*25-6+99
39*28/2 1
98*63.5-2.65
(25%-695%- 12%)*36
3/4*3/5+3/4*2/5
( 1- 1/4+8/9)/7/9
2/3+ 1/6/3/24+2/2 1
1*8/ 15*3/5
10-3/4/9/ 10- 1/6
[( 1/3+ 1/2)/5/6- 1/3]/ 1/7
2/3/5+3/5/2+3/4
1/[(2-2/3/ 1/2)]*2/5
3^2*3.25678
3^3-5
4^2-34%
3.25-3 15%
7^3+445%
12+5268.32-2569
123+456-52*8
45%+6325
1/2+ 1/3+ 1/4
789+456-78
45%+54%-36%
92*88-63
92-60.8-25/5
87- 14*26
28-65*92
33*26*87.95
72/3*6.8/2
333-56*29*3
Third, the calculation question: 28%
1. Find the surface area and volume of a cuboid (unit: decimeter) 4%.
a=8 b=5 c=4
2. Off-model calculation (simplified to simplified) 12%
6/7+2/ 15+ 1/7+ 13/ 15 19/2 1+5/7-3/ 14
2/3+5/9-2/3+5/9
8/9-( 1/4- 1/9)- 3/4
3. Use 4% to find the greatest common divisor and the least common multiple of the following groups.
Articles 24 and 36
18, 24 and 40 (only the least common multiple)
4. Text problem 6%
What is the sum of 5/9 and 7/ 18 minus 1/2?
Subtract the difference between 7/ 15 and 7/30 from a number and the result is 2/3. What's this number? (Equation solving)
Four, painting questions 4%
Please use shading to represent 1/2 (at least 5 kinds).
Verb (abbreviation of verb) application problem: 30%
1. A piece of land, in which 1/5 kinds of corn, 1/6 kinds of vegetables and the rest kinds of watermelons. What is the proportion of watermelons planted in this land?
There are 24 boys and 20 girls in one class. How many times more boys than girls? What is the percentage of boys to girls?
Students take part in environmental protection action. The fifth grade cleared 3/5 tons of garbage, less than the sixth grade 1/8 tons. How many tons of garbage were removed in the fifth and sixth grades?
4. A rectangular iron plate with a length of 40 cm and a width of 30 cm, the four corners are cut off and the sides are 4 cm long, and then welded into a box without a cover. How many liters is its volume?
5. A car traveled192km in the first 3 hours and 58km/h in the last 2 hours. What is the average speed of this car?
(1) There are several goldfish in the fish tank, of which red goldfish accounts for all and black goldfish accounts for all. What percentage of all goldfish are red goldfish and black goldfish?
It took the road repair team three days to repair half of the whole road. On the first day, the whole road was repaired. On the second day, how many parts of the whole road were repaired?
(3) Red Star Primary School will build a rectangular playground 60 meters long and 45 meters wide. Pave 10 cm thick concrete first, and then pave 4 cm thick cinder. How many cubic meters does concrete need more than cinder?
(4) How many square decimeters of iron does it take to make an uncovered rectangular tin can with a length of 85cm, a width of 50cm and a height of 50cm?
(5) Badge Factory finished processing a batch of medals for the 2008 Olympic Games in one month. It was all processed in the first half of the month. How much less was processed in the second half of the month than in the first half?
(6) A cuboid fuel tank with a length of 70cm, a width of 44cm and a height of 25cm. How many liters of oil can this tank hold at most? If the price of gasoline is calculated at 3.76 yuan per liter, how much does it cost to fill up such a box of gasoline?
1. Xiaoming reads books, reading an average of 6.25 pages a day for the first 4 days and 24 pages for the last 3 days. How many pages does Xiaoming read every day this week?
The following is the temperature of a certain place in four periods of a day. Calculate the average temperature of this day.
3. A wooden box, length 1.2m, width 0.8m and height1m.. If it is painted all around the outside, what is the area of the painting?
4. There is a kind of rectangular steel, which is 2 meters long and the cross section is a square with a side length of 5 centimeters. Each cubic decimeter of steel weighs 7.8 kilograms. How much does this square steel weigh?
5. There is a fish pond, with a length of 18m, a width of 12m and a depth of 3.5m It is necessary to coat a layer of cement around the fish pond to prevent water seepage. If 5 kilograms of cement is used per square meter, how many kilograms of cement does a * * need?
6. Cut a cube with a volume of 64 cubic centimeters from a cuboid with a length of 6 centimeters. What is the original surface area of this cuboid?
7. What is the smallest number divisible by both 6 and 9?
8. A rectangular piece of paper, 48 cm long and 36 cm wide. Cut this paper into square paper with the same size and no excess. What is the longest side of the square?
1 class and class 5 (1) students do exercises. There are 3 people in a row for every 8 people and 3 people in a row for every 10 people. How many students are there in this class at least?
Xiaoming walks 45 minutes from school to Children's Palace, and Xiaolin walks 48 minutes from school to Children's Palace. How many points did each of them get? Who is faster?
3. A cuboid reservoir, measured from the inside, is 4.5m long, 4m wide and 1 m deep. How many square meters is this reservoir? There is 14.4 cubic meters of water in the pool. How deep is it?
The tractor plowed a field. What is the percentage of cultivated land in the morning and afternoon?