The circumference of rectangular blackboard is 96 decimeters, and its length is three times its width. What is the length and width of this rectangular blackboard?
Uncle Li raised 960 chickens, ducks and geese, three times as many as geese and four times as many as ducks. How many chickens, ducks and geese have you raised?
4. The sum of the numbers A, B and C is 360, in which A is three times that of B and C is twice that of B .. What are the numbers A, B and C?
There are 560 pencils, pens and ballpoint pens in the shop. There are three times as many ballpoint pens as pens, and as many pencils as ballpoint pens. How many pencils, pens and ballpoint pens are there?
6. The sum of three numbers A, B and C is 400, A is three times that of B, and C is four times that of A .. What are A, B and C?
7. The three steel plates * * * weigh 62 1kg, the first one is three times that of the second one, and the second one is twice that of the third one. How many kilograms does each of the three steel plates weigh?
8. Repair by three road repair teams of Party A, Party B and Party C 1200m. Team a repaired twice as many meters as team b, and team b repaired three times as many meters as team c ... how many meters did each of the three teams build?
9. Xiaoming from Obana took part in the math contest, and they got 168. Xiaohua's score was 42 points less than Xiaoming's twice. How many points do you each get?
10, the school bought 720 books and distributed them to senior, middle and junior grades. The senior grade took eight more books than the junior grade, and the middle grade took four more books than the junior grade. How many books are there in senior, middle and junior grades?
1 1, three tree planting teams planted 1900 trees. Team A planted twice as many trees as team B. Team B planted 300 fewer trees than team C. How many trees did the three teams plant?
12, the sum of three numbers is 1540, the number of A is 7 times that of C, and the number of B is 40 more than A. What are these three numbers?
13, there are 95 basketball, football and volleyball in Chengdong Primary School, among which football is 5 less than volleyball, and the number of volleyball is twice that of basketball. How many basketball, football and volleyball are there?
14. A refrigerator factory wanted to produce 1560 refrigerators, which took 8 days to produce 120 refrigerators every day. The rest will produce 150 units per day. How many days will it take to complete this task?
15. A factory plans to produce 36,500 sets of bearings. In the first five days, 2 100 sets were produced on average every day. Later, the operation mode was improved, with an average of 2600 sets per day. How many days does it take to complete the production task of these bearings?
16, a machine tool factory plans to produce 40 machine tools every day and complete the task in 30 days. Now we must finish the task 10 days in advance. How many units will we produce every day?
Master Zhang and he started making 90 toys at the same time. Master Zhang makes 10 toys every day. When completing the task, Li Shifu had to do 1 day to complete the task. How many does Li Shifu make every day?
18, Xiao Ming of Oubana started to write 192 Chinese characters at the same time, Xiaohua wrote 24 Chinese characters every day, and it took Xiao Ming four days to complete the task. How many words does Xiaoming write every day?
Here you are 18, I hope you are satisfied! )