Xiaoming bought five pencils and eight erasers for one yuan. If he bought/kloc-0 pencils, he got less than 2 points. If he buys an eraser, he will get an extra 1 point. How much is each pencil? How much is each eraser?
3. Class 4 (1) students planted trees, each planted 1 tree, and there were 20 trees left, each planted 2 trees, with a difference of 30 trees. How many students are there? How many seedlings are there?
4. Learn from Lei Feng's group to move bricks for the school. If everyone moves 18, there are 2 pieces left; If everyone moves 20 yuan, a classmate will have no bricks to move. Q * * * How many bricks are there?
The teacher distributed some apples to the children. If everyone gets one, there are eight apples left; If everyone gets two, there are still two apples missing. How many children are there in a * *?
6. Young Pioneers planted trees. If everyone plants 5 trees, there will be 13 trees left. If each person plants 7 trees, the difference is 2 1 tree. How many young pioneers participated in planting trees? How many trees are there in this batch?
7. The kindergarten distributed a basket of apples to the children. If it is distributed to the children in the big class, there are 5 children each, 10 children; If you give it to children in small classes, each of them is 8 short of 2. As we all know, there are three more children in the big class than in the small class. How many apples are there in this basket?
8. Give some children a small packet of candy. If each child is divided into three pieces, the remaining three pieces; If everyone is divided into five pieces, there is one piece missing. So how many children are there? How many pieces of sugar are there?
9. Wang Hua wound the coil on the magnetic bar with his only enameled wire. When he circled 80 times, he measured the length of the remaining line as 15.28 cm, so he wanted to change it to 90 times, but found that 22.4 cm of enameled wire was missing. How long is Wang Hua's enameled wire? What is the radius of the magnetic rod used?
10, Miss Li gave a stack of exercise books to the first batch of students, and each student gave out 7 copies, which was 7 more. If you give each student 9 copies, then one student can't get it. Please calculate, how many students are there in the first group? How many exercise books are there in this stack?
1. Both parties bought the same set of pencil cases. Party A put a piece of writing paper in each envelope, and as a result, all the envelopes were used up, leaving 50 pieces of writing paper. B put three pieces of stationery in each envelope, and all the stationery was used up, leaving 50 envelopes. How many stationery are there in each pencil case? How many envelopes are there?
The big monkey picked a bunch of peaches and gave them to the little monkeys equally. Each little monkey got 65,438+00 peaches, but two little monkeys didn't. The second time, each little monkey got 8 peaches, which were just eaten. How many peaches are there in a pile? How many little monkeys are there?
Class one students went boating. They calculated that if one more boat was added, each boat could only hold six people. If one boat is reduced, it happens that each boat will take nine people. Q: How many students are there in this class?
Xiaohong bought a basket of oranges and distributed them to the whole family. If two of them are divided into four, the rest are divided into two, and there are four. If one person is divided into six and the rest is divided into four, how many oranges does Xiaohong buy if 12 is missing? How many people are there in Xiaohong's family?
5. Young Pioneers go to plant trees. If each person digs five tree pits, there are still three tree pits that no one digs. If two of them dig four tree pits each and the others dig six tree pits each, they will dig all the tree pits.