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Add and subtract math application problems in the second volume of the first grade of primary school
1. The school bought 52 boxes of colored chalk. I used some, and there are 20 boxes left. How many boxes were used? 2. Male teachers 12 and 30 female teachers. How many female teachers are there?

Xiaoling bought a dictionary with 8 yuan money. She gave money to 20 yuan, the shop assistant. How much should she get back?

4. There are 40 sheets of paper. Use 13 sheets for origami plane first, and then use 9 sheets. * * * How many sheets of paper did you use?

There are some story books in the school library. I borrowed half, and there are still 30 books left. How many story books were there in the school?

There are 4 pandas, 24 monkeys, 30 puppies and 7 rabbits in the zoo.

(1) How many rabbits are fewer than monkeys?

(2) How many puppies will pandas have?

(3) How many monkeys and puppies are there?

7. The kindergarten aunt bought two boxes of drinks, 8 bottles each, to be distributed to four children. How many bottles of drinks can each child get?

8. Xiaolan made 9 flowers from 3 pieces of colored paper. How many flowers can those five colored papers make?

9. The fruit wholesale market sent back 4 carts of pears, each with 9 baskets. If you sell 6 baskets a day, how many days can you sell them?

10, the two sisters made flowers, and the elder sister made 32 flowers, 8 more than the younger sister. How many flowers did the two sisters make?

extreme

1. Teacher Ye went to the stationery store to buy a pencil case, and it took 12 yuan to buy four pencil cases. According to this calculation, how many pencil cases can 36 yuan buy? 2. There are 5 white rabbits, 3 gray rabbits and 24 radishes in Li Nainai's family. How many big radishes can each rabbit eat?

3. My brother bought 3 boxes of colored pencils, each containing 6 pencils, and gave them to Obana Xiaoli. How many pencils does everyone have?

I bought 23 footballs at school, which is more than the basketball I bought 14. How many balls did I buy at school?

The white rabbit bought two baskets of apples. One basket weighs 28 kilograms, which is 9 kilograms lighter than the other. How much do these two baskets of apples weigh?

6. There are 12 yellow dogs and flower dogs and 9 yellow dogs in the zoo. How many flowers are there?

7. Xiaohong bought a book by 15 yuan and a pen by 8 yuan with money from 30 yuan. How much should the salesman get back?

There are 90 books in the small library, and 40 books have been lent out. How many books are left?

9. 1 (2) Class students folded 58 flowers, boys folded 30 flowers, and girls folded how many flowers?

10. The breeder raised 25 white rabbits and 8 black rabbits. How many rabbits are there?

Tisso

1, Xiaoping planted 7 pots of safflower and the same amount of yellow flowers. How many pots of two kinds of flowers? Xiao Qiang has 10 apples. I ate seven apples. How many more are there?

Children make paper-cuts with 8 pieces of red paper and the same amount of yellow paper. How many sheets of paper did they use?

4. There are 12 cars in the bus terminal. Two cars have left. How many cars are there?

There are 9 horses in the racecourse, and 5 more will come soon. How many horses are there in the racecourse now?

6. The store has 15 fans, and 5 fans have been sold. How many fans are there now?

7. Xiaoqing drew twice 17, the first time was 9, how much was the second time?

8. The school has 15 pots of orchids and chrysanthemums, 6 pots of orchids and several pots of chrysanthemums.

9. There are *** 12 apples and pears, 4 apples and how many pears in Xiaohong's family?

10. There are 1 1 cabbage at home. After eating five, how many more?