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cmath-mt

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When using a bread maker to bake bread, the first side is baked for 2 minutes, and the second side is only baked for 1 minute, that is, it takes 3 minutes to bake a piece of bread. Xiaoqin's bread maker can only put 2 slices at a time. He eats 3 slices of bread every morning. How many minutes does it take to bake at least?
5
4
1
4
The thousand digits of a number are 2, the digits are 3, the tenth and tenth digits are 1, and the hundredth and percentile digits are 8. What is this number?
2813.18
5
6
4
A top is 156 yuan and a pair of pants is 144 yuan. How much is the total for a top and a pair of pants?
300
1
3
4
The fruit shop bought back 36 boxes of fragrant pears and apples, 45 yuan per box of fragrant pears and 55 yuan per box of apples.How much did the fragrant pears and apples cost in total?
3600
2
4
4
Qian Hong and Gu Ying used a computer to type a 1820-character material at the same time.Qian Hong typed 120 words per minute, and Gu Ying typed 140 words per minute.How many minutes does it take for them to finish typing this material?
7
2
4
4
Zhangcun dug a 1,200-meter-long canal, which is planned to be completed in 15 days.Actually digging 20 meters more than planned every day, how many days did it actually take?
12
3
4
4
The coal yard shipped 1.5 tons of coal in the morning, and some more in the afternoon. A total of 4.36 tons of coal were shipped in one day. How many tons were shipped in the afternoon?
2.86
1
3
4
There are 300 chrysanthemums in a flower shop, which is 12 times that of lilies. How many lilies are there?
25
1
3
4
The transportation team transports cement. A cart transports 90 bales at a time, a trolley transports 35 bales at a time, and the cart and trolley transport 16 times each. How many bales of cement are transported in total?
2000
2
4
4
The fruit shop shipped 26 boxes of oranges, each box of 36 kilograms, and the apples shipped 278 kilograms more than the oranges. How many kilograms of oranges and apples did the fruit shop ship?
2150
4
4
4
A car travels from Place A to Place B at a speed of 76 kilometers per hour for 7 hours. What is the distance between Place A and Place B?
532
1
3
4
What is the cost of expanding 2.01 to 100 times the original number?
201
1
3
4
Lily has 129 stamps, and Mingming has 71 stamps. Each stamp is priced at 2 yuan. How much can Lily and Mingming sell for?
400
2
3
4
The speed of the car going up the mountain is 36 kilometers per hour, and it took 5 hours to reach the top of the mountain. It only took 4 hours to return the same way when going down the mountain.How many kilometers per hour does the car travel on average when going down the mountain?
45
2
2
4
A factory produced 3,657 pieces of agricultural tools last year, and this year it produced 679 more pieces than last year. How many pieces of agricultural tools have been produced this year?
4336
1
4
4
Cocoa pancakes at home. You can bake two cakes in the pot at a time. You have to bake on both sides. It takes 2 minutes to bake on each side. How many minutes does it take to bake 7 cakes?
14
3
2
4
1 ton of seawater contains 20 kilograms of salt, and how many tons of salt does 100 kilograms of seawater contain?
0.002
1
4
4
Mom went to the supermarket to buy apples for 21.76 yuan, and pears for 19.39 yuan. How much is the total cost?
41.15
1
4
4
Before the Spring Festival, the factory logistics staff brought 1,000 yuan to buy orange trees. They bought 13 pots of orange trees, and there were 155 yuan left. What is the average price of each pot of orange trees?
65
2
4
4
The Spring Festival is approaching, and Xiaoming is about to give a few good friends blessing greeting cards. He learned that each greeting card is 2 yuan, so he came to the store with the money to buy 15 greeting cards and found that the kind of greeting cards he wanted to buy had risen by 1 yuan each.Please help Xiaoming calculate, how many greeting cards can he buy with the money he brought now?
10
3
2
4
A bottle of orange juice is 4 yuan, and a box of 24 bottles. Uncle Wang sold 25 boxes this month. How much yuan did he sell in total?
2400
2
4
4
The roadworker wants to repair an 850-meter-long highway. It has been repaired for 19 days, and there are still 185 meters that have not been repaired. How many meters have been repaired on average every day?
35
2
3
4
The school spends 96.8 yuan on football, 56.6 yuan on volleyball, and 103.2 yuan on basketball.How much did the school spend on football, volleyball and basketball?
256.6
2
4
4
What is the number composed of 4 one-hundredths, 4 one-tenth, and 4 one-thousandths?
4.404
2
4
4
Teacher Wang brought 386 yuan, 130 yuan was used to buy football, and the remaining money was used to buy 8 more hoops. How much is the average for each basketball?
32
2
3
4
When Zhang Lan was reading a decimal point, he lost the decimal point, and it turned out to be 14,022.If the original decimal is to be read out, two zeros are to be read out.So what is the original decimal number?
14.002
1
5
4
The school held a group exercise performance. There were 25 students in each row, and there were 36 rows in total. How many students participated in the group exercise performance?
900
1
3
4
The fruit shop shipped 24 boxes of fruits, each box is 25 kilograms. How many kilograms of these fruits are in total?
600
1
3
4
Xiaohua's four long jump scores were 141 cm, 160 cm, 161 cm, and 162 cm respectively.Please help Xiaohua figure out how many centimeters her average score in the long jump is.
156
4
3
4
The area of a rectangular piece of land is 0.8 hectares, and its width is 100 meters.So how many meters is its length?
80
2
3
4
The school bought 3,640 exercise books, 256 for the third grade, 378 for the fourth grade, 444 for the fifth grade, and 322 for the sixth grade.How many exercise books are divided into these four grades?
1400
3
4
4
A is 28 kilometers behind B, and the two are walking towards each other at the same time. A is traveling 16 kilometers per hour and B is traveling 9 kilometers per hour. Ask A how many hours will it take to catch up with B?
4
2
2
4
Teacher Wang spent 10.75 yuan on bananas and 9.7 yuan on oranges. He paid the salesperson 25 yuan. How much should he get back?
4.55
2
4
4
Xinhua Bookstore shipped 2 carts of books, each car contained 125 packs, each pack had 80 books.How many books did Xinhua Bookstore ship?
20000
2
5
4
102，103，105，101，109，102，106， 104 What is the average of these 8 numbers?
104
5
3
4
There are 18 bottles of Coca-Cola in each box, each bottle is 3 yuan. Dad bought a box for 80 yuan. How much yuan is left?
26
2
2
4
What is the expansion of 21.06 to 1000 times the original number?
21060
1
5
4
10 kilograms of peanuts can squeeze 4.3 kilograms of oil, and how many kilograms of oil can be squeezed for 1 kilogram of peanuts?
0.43
1
3
4
There are 18 rows of pear trees in the orchard, 35 in each row.There are 25 rows of apple trees, 32 in each row.How many fruit trees are there in the orchard?
1430
3
4
4
Xiaoming and Xiaofang are in the same hospital. Xiaofang walks 50 meters every minute to school and arrives at school at 12 minutes. Xiaoming walks 10 meters more than Xiaofang every minute to school. How many minutes does Xiaoming get to school?
10
3
2
4
Zhang Ming reads a 572-page storybook. If he reads 22 pages a day, how many days will it take to finish it?
26
2
3
4
To repair a 960-meter-long highway, it took 6 days to complete half of the total length, and the remaining 80 meters were repaired on average every day. How many days does it take to complete this section of the highway?
12
3
3
4
Lions in Haicang Safari Park eat 37 kilograms of food a day. How many kilograms of food do they eat in a month in October?
1147
1
4
4
When Xiaoming calculated the division, he mistakenly regarded the divisor 36 as 63, and the quotient 24 was obtained.Please help him calculate, what should be the correct quotient?
42
2
2
4
A noodle grinder grinds 800 kilograms of flour per hour. According to this calculation, how many kilograms of flour can 7 noodle grinders grind per hour?
5600
1
4
4
The students competed in rope skipping, and each person was required to jump for 3 minutes.Xiaohong jumped an average of 8 more than Xiaomi, and Xiaoming jumped a total of 321.How many times did Qiu Xiaohong jump in total?
345
3
3
4
A bouquet of flowers is 30 yuan, buy 5 bunches and get one free.Aunt Wang buys 5 bunches at a time, how much is each bunch cheaper?
5
4
2
4
The school will conduct homework exhibitions. A total of 270 works will be displayed. Each exhibition board can hold up to 25 pieces. How many exhibition boards are needed?
11
2
3
4
The fourth grade students collected pine seeds. (1) Class collected 31.56 kg, (2) class collected 33.45 kg, and (3) class collected 30.2 kg.How many kilograms were collected in total in the three classes?
95.21
2
4
4
Use a pan for pancakes, you can put up to 2 cakes at the same time at a time. If you fry a cake, it takes 2 minutes (assuming that the positive and negative sides take 1 minute each).How many minutes does it take to fry 3 cakes at least?
3
3
1
4
The number of A is 100, which is 20 less than 6 times the number of B. What is the number of B?
20
2
3
4
A big bus departs from Zhangcun. If it travels 60 kilometers per hour, it can reach Lizhuang in 4 hours. As a result, it only took 3 hours to arrive. How many kilometers per hour does this car actually travel on average?
80
2
2
4
Guangming Elementary School spent 270 yuan to buy Xinhua dictionaries, 6 yuan per Xinhua dictionary. How many Xinhua dictionaries can you buy?
45
1
3
4
The highway from Nanjing to Beijing is 840 kilometers long. A car travels 70 kilometers per hour from Nanjing to Beijing. After 11 hours, how many kilometers are left?
70
2
3
4
10 kg of rapeseed can squeeze 4.1 kg of oil, and 100 kg of rapeseed can squeeze how many kilograms of oil?
41
2
3
4
Lily binds 31 books a day. According to this calculation, how many books can Lily bind in a month?(One month is calculated as 30 days)
930
1
3
4
A newly built expressway, 100 kilometers long and 50 meters wide.So how many hectares does this highway cover?
500
1
3
4
Bicycles travel 45 kilometers in 3 hours and cars travel 216 kilometers in 4 hours.How many kilometers per hour does a car travel more than a bicycle per hour on average?
39
3
3
4
A car drove from Shenyang to Dalian and traveled 480 kilometers in 4 hours.At this speed, it will take another 3 hours to get to Dalian.How many kilometers is it from Shenyang to Dalian?
840
3
3
4
A bottle of oil weighs 3.5 kg in a bottle, and after half of the oil is removed, the bottle weighs 1.8 kg. How many kilograms does the oil in this bottle weigh?
3.4
2
2
4
1000 sheets of paper are stacked with a thickness of 10.2 cm. How many millimeters is the average thickness of each sheet of paper?
0.102
1
4
4
The steel plant plans to produce 2.658 million tons of steel throughout the year, but as a result, 1.557 million tons were produced in the first half of the year and 1.299 million tons were produced in the second half of the year.How many tens of thousands of tons exceeded the plan throughout the year?
19.8
2
4
4
A comic book has 316 pages. Lin Lin read 129 pages on the first day and 71 pages on the second day. How many pages are left unfinished?
116
2
3
4
Lantian Film City has 125 seats in each row, with a total of 76 rows, and each ticket is 8 yuan. If all the tickets have been sold out, how much yuan can the cinema earn?
76000
2
5
4
First expand a decimal to 100 times the original, then shrink it to 1/1000 of the original, and then shrink it to 1/10 of the original and then it is 0.038. What is the original decimal?
3.8
3
5
4
Xiaoxin insists on practicing brush writing every day.He wrote a total of 448 brush characters in 4 weeks. How many brush characters do he write on average every day?
16
2
3
4
A chicken farm sold 3,500 chickens in April and 5,200 chickens in May. How many chickens were sold each month on average in these two months?
4350
2
4
4
Li Lei weighs 42 kilograms this year, an increase of 3.6 kilograms over last year. How many kilograms did he weigh last year?
38.4
1
3
4
An engineering team repaired the road. On the first day, it repaired 147 meters, on the second day, it repaired 203 meters, and on the third day, it repaired 153 meters. How many meters of road were built in three days?
503
2
3
4
10 kilograms of wheat can grind 8.3 kilograms of flour. According to this calculation, how many kilograms of flour can be ground for 1 ton of wheat?
830
1
3
4
A rectangular vegetable plot, its length is 50 meters, its width is 40 meters, and its area is how many square meters?
2000
1
4
4
The farm has a rectangular test field with a length of 200 meters and a width of 150 meters. It produces an average of 14 tons of rice per ha. How many tons of rice is produced in this test field?
42
2
3
4
There are 117 peonies, 59 chrysanthemums, and 83 orchids in the park. How many of these three kinds of flowers are there in the park?
259
2
3
4
The sowing width of a planter is 3 meters, and the planter travels 5 kilometers per hour. According to this calculation, how many hectares can be sown in 2 hours?
3
2
1
4
Only two fish can be fried in a pan, and it takes 4 minutes to fry one fish with it.(2 minutes each on the front and back), so, how many minutes does it take to fry three fish at least?
6
2
1
4
A computer installation team installed 226 computers in 26 days, 18 more than originally planned. How many computers were originally planned to be installed every day?
8
2
3
4
Teacher Zhang led a total of 45 people in the fourth grade (1) class to plant trees. Teacher Zhang planted 5 trees by one person, 3 trees by one boy, and 2 trees by one girl. A total of 115 trees were planted. How many boys were there?
22
5
3
4
Li Wei walked 400 meters from home yesterday to buy a newspaper, and then walked 600 meters to the supermarket to buy a bottle of detergent. It took 20 minutes.How many meters per minute is his average speed?
50
2
3
4
The park held a rose exhibition. There are 22 rows of red roses and yellow roses, 56 pots of red roses in each row, and 44 pots of yellow roses in each row. How many pots of red roses and yellow roses are there in total?
2200
3
4
4
The “Chang'e-1” lunar exploration satellite launched by our country flew to the moon at a speed of 11 kilometers per second. How many kilometers did it leave the earth in 5 minutes?
3300
1
4
4
A newly built expressway is 200 kilometers long and 40 meters wide.How many hectares does this highway cover?
800
1
3
4
The fourth-grade students went to visit the museum and were divided into 17 teams on average. Each team had 27 people. How many students visited the museum?
459
1
3
4
A supermarket entered 164 boxes of pure milk and 136 boxes of kefir at a time. Each box of pure milk and kefir was 16 boxes. How many boxes of milk were entered in total?
4800
2
4
4
Xiaohong walked from home to school at 7 o'clock in the morning. After leaving for 2 minutes, he returned home immediately due to the incident, and then immediately rushed from home to school. When he arrived at the door of the school, he looked at the clock. It happened to be 7:20.If Xiaohong walks 60 meters per minute, how many meters is it from her home to school?
960
3
3
4
There are 1,586 fruit trees in the orchard, including 517 pear trees and 383 jujube trees. The rest are apple trees. How many apple trees are there?
686
2
4
4
The price of a fountain pen is 10.50 yuan, which is 10 times the price of a pencil. The price of a watch is 1,000 times the price of this pencil. How much is the price of a watch?
1050
2
4
4
Uncle Wang set off from the county seat to Mulan Township to deliver fertilizer.The speed to go was 50 kilometers per hour, and it took 4 hours.It took 2 hours to return.How many kilometers per hour do you travel on average when returning from the same road?
100
2
3
4
There are 8 badminton balls in a tube, each badminton is 3 yuan, and the physical education teacher spent 720 yuan to buy badminton.How many tubes of badminton did he buy?
30
2
3
4
The playground was originally a rectangle with a length of 300 meters and a width of 100 meters. After widening, the length and width have been increased by 100 meters. How many square meters has the current playground increased compared to the past?
50000
5
5
4
The waterway from Nanjing to Shanghai is 392 kilometers long. A ship departs from Nanjing and travels 49 kilometers per hour. When does the ship arrive in Shanghai?
8
1
3
4
The first-year students of a high school in a certain city conducted field military training.Travel 20 kilometers a day on sunny days, 10 kilometers on rainy days, and 200 kilometers in 12 days.How many days are sunny during this period?
8
5
3
4
It takes 8 hours for a boat to travel 320 kilometers along the water, and the speed of water flow is 15 kilometers per hour. How many hours does it take for this boat to travel against the water?
32
4
3
4
There are 12 bicycles and tricycles parked in the parking lot. There are 26 wheels for bicycles and tricycles. How many bicycles are there?
10
5
2
4
The two places A and B are 425 kilometers apart. Master Wang drove from Place A to Place B on a business trip. The car traveled 85 kilometers per hour. He has already walked 170 kilometers. How many hours will it take to reach Place B?
3
2
3
4
100 kilograms of rice can grind 75 kilograms of rice, and how many kilograms of rice can be milled for 1 ton of rice?
750
1
3
4
A three-digit decimal is rounded to the percentile and the result is 6.60. What is the largest decimal?
6.604
1
4
4
There is a square vegetable plot covering an area of 1 ha, if its sides are extended by 100 meters each.So how many hectares has the area of vegetable land increased?
3
4
3
4
There are five wooden strips. Their lengths are 2 cm, 3 cm, 4 cm, 5 cm and 6 cm. From among them, three wooden strips are selected to form a triangle. How many different options are there?
7
5
1
4
A rectangular cornfield, 600 meters long and 300 meters wide.If the average corn harvest is 10 tons per ha, how many tons of corn can this cornfield collect?
180
2
3
4
In a tourist area, there are 367 tourists in the morning and 298 tourists in the afternoon. How many tourists are there on this day?
665
1
3