523÷70=7 groups. 33 people in 8 groups died.
2. Enter a 466-word article by computer. Red can enter 60 words per minute, while Can Cong can finish it in 7 minutes. Who can get into it faster?
466 ÷ 7 ≈ 66 > 60, so you are smart and agile.
3. Uncle Wang's orchard harvested 358 Jin of apples, 270 Jin of pears and 0/96 Jin of plums. Apples are 40kg per box, pears are 30kg per box and plums are 20kg per box. Calculate: How many cartons are needed to hold these fruits?
358÷40=8.38, so 9 270 ÷ 30 = 9196÷ 20 = 916, so 10.
4. Plant trees along the road with a length of 180m, and plant a tree every 20m. How many trees do you need to plant?
180 ÷ 20 = 9 9-1=10 tree
There are three times as many eggs in the box as in the basket. There are 96 eggs in a box. How many eggs are there in six baskets?
96÷3=32 32×6= 192
6. A story book has 448 pages. Obviously, it took 16 days to read it. Fangfang reads 4 pages more than Mingming every day. How many pages does Fangfang read every day?
448÷ 16=28 28﹢4=32
7. Chunguang Grain and Oil Company wants to export 680 tons of grain. How much do you need if you use a 22-ton container? How many 17 ton containers do you need? 680÷22=30.20, so 3 1 680÷ 17=40.
8. The length of the highway from Shijiazhuang to Chengde is 546 kilometers. The Hong family drove from Shijiazhuang to Chengde to visit the summer resort. If they drive an average of 78 kilometers per hour and leave at 8 am, when will they arrive?
546÷78=7
7-8 = 15
9. A rectangular vegetable field is 9 meters long and 6 meters wide. This vegetable field receives 972 kilograms of vegetables. How many Jin of vegetables do you collect per square meter on average? 6×9=54 square meters 972÷54= 18
10, Shanghai Oriental Pearl TV Tower is the tallest TV tower in Asia, with a height of 468 meters. The first floor 12 floor is 39 meters high. The height of the TV tower is equivalent to the height of several 12-story residential buildings. 468÷39= 12
1 1. Grandpa Wang's four cows produce 896 kilograms of milk every week. How much milk does an average cow produce every day/kloc-0?
896÷4÷732
12, four vehicles transport 960 bags of cement in three times. How many bags of cement does each car transport on average?
960÷4÷3=80
13, (1) There are three windows in each classroom of Shui Bo Primary School, and each window is equipped with 12 pieces of glass. How many pieces of glass have been installed in nine classrooms?
12×3×9324
(2) Liu Yang Primary School has 12 classrooms, each classroom has 3 windows, and each classroom is equipped with 324 pieces of glass. How many pieces of glass are installed in each window on average? 324÷ 12÷3=9
14, Xiaohong bought 2 boxes of mung bean cakes, each box 1 kg. There are 20 pieces in each box. How many grams does each piece weigh on average?
20×2 = 40 1k g = 1000g 1000÷40 = 25。
15. A bus leaves from Zhang Cun. If you drive at a speed of 60 kilometers per hour, it will take 4 hours to reach Lizhuang. It only takes three hours to get there. How many kilometers does this bus actually travel per hour on average?
60×4=240 240÷3=80
16, Baita Village plans to build a canal. If16m is built every day,18m can be completed. It was built 24 meters on the first day. According to the progress of the first day, how many days can it be completed?
16× 18=288 288÷24= 12
17, Hong Guang Hotel bought 100 towels, each 6 yuan. How many towels can I buy if I buy a towel with this money of 8 yuan?
100×6=600 600÷8=75
18, a pack of A4 copy paper, 25 sheets a day, used up in 20 days. If you use less than five cards a day, how many days can you use them?
25×20=500 25-5=20 500÷20=25
19, a professional beekeeper, raised 24 boxes of bees this year. Last year, 5 boxes of bees brewed 375 kilograms of honey. According to last year's honey output, how many Jin of honey can be brewed this year?
375÷5=75 75×24= 1800
20. Dongdongjia raised 135 trees on the land of 15 square meters. According to this calculation, how much land is needed to raise 990 trees?
135÷ 15=9 990÷9= 1 10