Third grade mathematics people's education edition

Find out ○, ☆, □

( 1)○+□+□=60

□=○+○

○=( )

□=( )

(2)☆+○=40 □+○=45

☆+□=35

☆=( )

○=( )

□=( )

The best answer is 1, and 45 students dance with masks, with an average of 3 lines. How many students are there in each row?

There are 48 students in Grade Three. Every two students use a long table. How many long tables does a * * * need? Arrange these tables in four rows evenly. How many in each row?

The canteen brought 500 Jin of coal, burned for 7 days, and there were 325 Jin left. How many kilograms of coal is burned on average every day?

The store sent 8 baskets of apples, each of which was 32kg, and the pears sent were 4 times as many as apples. How many kilograms of pears were shipped? How many kilograms more pears are sent than apples?

5. Mr. Wang bought two basketballs and spent 144 yuan. I bought three more footballs, each of which cost as much as basketball. How much did it cost to buy football?

6. The students collected140kg peanuts and divided them into six baskets. How many kilograms is there on average in each basket, and how many kilograms are left?

7. The students collected140kg peanuts and carried away four baskets, each of which was 23kg. How many kilograms are shipped? How many kilograms are left?

8. A lawn the size of a classroom produces enough oxygen for three people every day. There are 120 people in grade three. How many classrooms are big enough to produce enough oxygen?

9. A city set up 3 16 artificial nests last year, and the number of artificial nests set up this year is twice that of last year. How many artificial nests will be built this year?

10, the toy factory produced 964 toy cars. Every 8 cars are packed in a box. How many cases can you pack? How many cars are left?

1 1. The students made 38 toys and gave them to the nursery 14. The rest are equally distributed to two kindergarten classes. How many toys are distributed in each class?

12. The stationery factory has to bind 8,400 diaries, which has been bound for 5 days, and it is still short of 1700. How many books are bound on average every day?

13. The store shipped 3 boxes of crayons, each containing 36 sticks. There are four times as many colored pencils as crayons. How many boxes of colored pencils have been sent?

14. After introducing excellent rice seeds into a field in Wangcun, the rice output last year was exactly twice that of the year before. The rice output of the year before last was 427 kilograms. How many kilograms of rice was produced last year?

15, the giant panda weighs 56 kg and the red panda weighs 8 kg. How many times the weight of a giant panda is that of a red panda?

16, the weight of walnuts purchased by agricultural and sideline products purchasing station is twice that of red dates. Buy 480 Jin of red dates and how many Jin of walnuts?

17. The store sent 8 baskets of apples at 30kg each, which were sold out in 4 days. How many kilograms are sold on average every day?

18, length of Wuhan Yangtze River Bridge1670m, length of Nanjing Yangtze River Bridge 6772m. Which bridge is long? How many meters has it grown?

19, 400 meters from the sports ground runway. Xiaoming insists on running three times a day. How many meters does he run every day?

20. From A to B, if you ride a bike every hour15km, it will take you 4 hours. It only takes two hours by car. How many kilometers does this car travel per hour?

2 1. Uncle worker put four machines on a truck with a load of 4 tons, each weighing 900 kilograms. Do these machines exceed the load of this truck?

22. Rabbits can run 42 kilometers per hour, and Swifts are four times faster than rabbits. How many kilometers can Swift fly per hour?

23. A grain store shipped 5 tons of rice, sold 1700 Jin two days ago, and sold out in the remaining three days. How many Jin did you sell on average every day in the first two days? How many Jin did you sell on average every day in the last three days?

24. Three baskets of radishes weigh 60kg, and four baskets of tomatoes weigh 100kg. How much does a basket of carrots and tomatoes weigh on average? How many kilograms are tomatoes heavier than radishes in each basket?

25. A person walks 83 meters per minute, riding a horse is twice as long as walking, and riding a bike is three times as long as walking. How many meters per minute do you walk by bike and horse? How many meters per minute is riding a bike faster than riding a horse?

26. The students made 25 yellow flowers and 18 purple flowers, and the number of red flowers made was 3 less than the total number of yellow flowers and purple flowers. How many red flowers did you make?

27. Students jump rope. Xiaohua jumps 75 times and Xiaoming jumps 85 times. Xiaoqing jumped 30 times less than Xiaoming in Obana. How many times did Xiaoqing jump?

4x 5-6 369+257-520 6000-(522+622)9x 9-49 7000-5200

= = = = =

1、 ( 12+ 13)+ 14=

2、 14- 13+ 15=

3、 17+( 1+5)=

4、 12-4+ 15=

5、 17- 17+ 17=

6、 23+24- 15=

7、 10-(5-2)=

8、 10+5+2=

9、 50+(50-45)=

10、 1+5+26+58-54=