Chickens and rabbits in the same cage, 8 heads, 20 legs, how many chickens and rabbits each? Using equation

The simplest algorithm of chicken and rabbit in the same cage is to divide the number of legs more than the head by 2, and the total number of rabbits is the number of chickens

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1. How many chickens? How many rabbits? Solve the equation
2. Chickens and rabbits in the same cage, a total of 20 heads, 62 legs, ask how many chickens and rabbits each?
3. Chickens and rabbits in the same cage, 17 heads, 42 legs, chickens, rabbits each have a few There are 13 chickens and 4 rabbits. Is there any more?
4. There are 35 chickens and 94 legs in the same cage. How many chickens and rabbits are there
5. Chickens and rabbits in the same cage, a total of 35 heads, 94 legs, how many each?
6. There are 35 heads and 94 legs in the same cage? What's the formula
7. There are 200 chickens and rabbits. The number of feet of chickens is 69 less than that of rabbits. How many chickens and rabbits are there? It's like 38, I have the wrong number =.=
8. Chicken and rabbit have 100 feet in total. If chicken is replaced by rabbit and rabbit is replaced by chicken, there are 92 feet in total? Is this kind of exchange of chicken and rabbit in the same cage within the scope of the primary school examination of Beijing Normal University Edition? Is it not in the examination syllabus? For example, does Dalian and Liaoning test this type of question
9. Chicken and rabbit have 100 legs. If you change chicken into rabbit, rabbit into chicken has 92 legs. How many chickens and rabbits are there?
10. There are 100 chickens and rabbits in total, and the number of legs of chickens is 28 less than that of rabbits. How many of them are there?
11. How many chickens and rabbits with 21 heads and 56 legs in the same cage?
12. Chickens and rabbits are in the same cage, with 8 heads and 20 legs. How many chickens and rabbits are there? How to do it with arithmetic
13. There are 17 heads and 42 legs in the same cage. How many chickens and rabbits are there?
14. There are 20 heads and 54 legs in the same cage. How many chickens and rabbits are there?
15. Chickens and rabbits in the same cage, a total of 100 heads, 272 legs, how many chickens and rabbits each? The reason should be explained clearly
16. There are 20 heads and 54 legs in the same cage. How many chickens and rabbits are there? What about the fairies? We'll meet tomorrow. Let me know!
17. In mathematics, the problem of chicken and rabbit in the same cage should be solved by equations Several chickens and rabbits are kept in the same cage. There are 6 heads and 18 legs of known chickens and rabbits. How many chickens and rabbits are there?
18. Mathematical solution to the equation A tea is 128 yuan per kilogram, B tea is 98 yuan per kilogram. The two kinds of tea are 12 kg in total. It costs 46 yuan less to buy a tea than B tea. How many kg of each kind of tea do you buy?
19. Column equation solution application problem, is about chicken and rabbit with cage First, there are 40 chickens and rabbits, and 100 feet. How many chickens and rabbits are there
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