There are 274 legs in the same cage, and there are 26 more chickens than rabbits.

Suppose the chickens have a and the rabbits have a b.

According to the title. A chicken is known to have two legs and a rabbit has four legs.

2a+4b=274，a-b=26

Solve binary linear equations.

a=63b=37

A: There are 63 chickens and 37 rabbits.

A chicken has two legs. A rabbit has four legs. Let's have x rabbits.

Then there should be 26 plus x chickens. to list the equations. 4x plus 52+2x equals 274.

Six x equals 37, and the number of rabbits is 37. The number of chickens is 26+37. Equals 63.

Solution: Rabbit: (274-2 26) (2+4).

37 chickens: 37 + 26 = 63 chickens

A: There are 63 chickens and 37 rabbits.

Suppose there are x chickens and y rabbits, 2x+4y=274

y+26 These are two equations, substituting x=y+26 into the above equation gives y=37So x=63

So there are 63 chickens and 37 rabbits.

Set rabbit x and chicken y, got.

4x+2y=274

y=x+26

solution, x=37

y=63A: 37 rabbits, 63 chickens.

There are x and y chickens and rabbits.

2x + 4y = 274

x - y = 26

>4x - 4y = 104 ③

6x = 378

x = 63

So y = 63 - 26 = 37

Analysis: The problem of chickens and rabbits in the same cage is a common hypothesis method in primary schools.

Assuming that all 31 are chickens, there are 31 2 = 62 chicken legs, and the rabbit legs are 0 when there are 62 more chicken legs than rabbit legs.

In fact, there are 20 more chicken legs than rabbit legs, and some chickens need to be turned into rabbits.

For every 1 annihilator, the chicken leg decreases by 2 and the rabbit leg increases by 4

The difference between chicken leg and rabbit leg is reduced by 2+4=6

In total, 62-20 = 42 legs need to be reduced.

It would be necessary to reduce 42 6 = 7 chickens.

That is, 7 rabbits are added.

There are 31-7 = 24 chickens.

Combined: Rabbits (31 2-20) (2+4) = 7.

Chickens 31-7 = 24.

Easy way. 20 legs for 10 chickens These 10 chickens to one side are the extra 20 legs, so 31-10 = 21 Here 21 chickens and rabbits have the same number of legs Two chickens = one rabbit in a group of three.

So Qi Wei 21 3 = 7 So there are 7 rabbits.

31-7=24, 24 chickens.

Summary 31-10=21

Rabbit Gao Jingpei 21 3 = 7

Chicken 31-7 = 24

If there are x chickens, there are 31-x rabbits, so there are 2x-4 (31-x)=20 more chicken legs than rabbit feasts, and x=(20+4 31) 6=24, so there are 24 chickens, and 31-24 rabbits=7.

Solution: If there are x chickens, then there are 31-x rabbits.

2x-4(31-x)=20

Solution or slide yield: x=24, 31-x=7

Answer: There are 24 chickens and 7 rabbits.

The chicken has two crooked legs, and the rabbit has four legs. The total number of legs is 280. Let's say the chicken is "x" and the rabbit is "y".

The equation is: 2x+4y=280 and "x-y=50". Then, find the positive solution equation for the burial lift.

There are 80 chickens and 30 rabbits.

Chicken with Chi Nian is a two-legged rabbit is four legs, the number of legs is a total of 280, Dan Pai set the chicken for , the rabbit is y, the equation is 2x+4y=280, -y=50, and then solve, the chicken is 80, the rabbit is 30.

If you remove the hail of the legs with a lot of chickens, it should be reduced.

20 2 = 10 chickens, at this time there are 31-10 = 21 chickens and rabbits, and the chickens and rabbits have the same number of legs, and 2 chickens can have as many legs as 1 rabbit.

Rabbits: 21 (2+1)=7.

Chickens 31-7 = 24.

Before the user enters for the first time, we all live in the realm of "meaning". A person's life is not only about experiencing things themselves, but more importantly, experiencing what they mean to our lives. When we approach things, we tend to measure them from our own standpoint, no matter how simple they are.

For example, "wood" is "wood that is related to human beings", and "stone" is "stone as one of the elements of human life". If someone wants to live in a simple environment and step out of the realm of meaning, then he must be very unlucky: such an act will deprive him of the basis for communicating with the outside world, and therefore, whether it is for him or for other people, such an act will be ineffective and meaningless.

We usually perceive reality by the meaning we give to the pre-skin reality, so what we feel is the meaning that reality is given to us, the number of knowledge rather than the reality itself, or what we feel is our own understanding of reality. Therefore, it can be said that because meaning is originally a realm full of fallacies, the meaning we perceive is to a certain extent incomplete and even wrong.

The text in the box.

Set the chicken to grind x, hungry rabbit y, then chicken leg 2x, rabbit leg 4y, there are x+y 31, 2x-4y 20, solution x 24, y 7, 24 chickens rotten swim sleepy, rabbit 7.

Assuming that the lead chop is all rabbits, then there are a total of 23 * 4 = 92 legs, and the actual is 70, 22 less, so it is not all rabbits, and every one less rabbit at the same time has one more chicken, each more chicken 4-2 = 2, less than 2 legs, so.

There are chickens in the real god of excitement: 22 2=11.

There are 23-11 = 12 rabbits.

Since chickens have 2 legs and rabbits have 4 legs.

So when the number of legs of the chicken and the rabbit are the same, the number of chickens is 4 2 2 times that of the rabbit.

There are 18 (2, 1) 6 rabbits

There are 6 2 12 chickens (only).

Summary. Topics for several grades.

Chickens and rabbits are in the same cage, and the number of chickens is 16 more than that of rabbits, with a total of 140 legs, and how many chickens and rabbits are there.

Topics for several grades.

Can you use equations?

Fourth grade. Hypothetical method.

Uh-huh. How much longer?

Right away. I'm almost done.

I've sent you personally. Thank you.

You're welcome [awsl][awsl][awsl][awsl].

（72-2×12）÷（2+4）

8 + 12 = 63 (only).

A: There are 20 chickens and 8 rabbits.

Analysis and answer: It is known that there are 12 more chickens than rabbits, and the number of feet of these chickens is 2 12 = 24 (only), and the total number of chickens and rabbits is 72, which includes two parts, one part is the number of feet of 12 chickens more than rabbits, that is, 24, and the other part is the total number of feet of the same number of chickens and rabbits, that is, 72-24 = 48 (only); And because the sum of the feet of a chicken and a rabbit is (2+4), the number of rabbits is 48 6 = 8 (only), and the number of chickens is 8 + 12=

20 (only). Comprehensive Column Formula:

8 + 12 = 63 (only).

A: There are 20 chickens and 8 rabbits.

I'll teach you, think of it this way, a chicken has 2 legs, a rabbit has 4 legs, and when a rabbit is upright, it has two legs. And because chickens have as many legs as rabbits, the head of a rabbit should be half that of a chicken, so the number of chickens is 18x2 3=12, and the number of rabbits is 18-12=6.

Since chickens have 2 legs and rabbits have 4 legs.

So when the number of legs of chickens and rabbits is the same, the number of chickens is 4 2 2 times that of rabbits, and rabbits have 18 (2 1) 6 (rabbits).

There are 6 2 12 chickens (only).

Solution: If there are x chickens, then there are 40-x rabbits.

4（40-x）-16=2x

160-4x-16=2x

144-4x=2x

4x+2x=144

6x=144

x=24 rabbits have 40-24=16 (only).

4（40-x）-2x=16

160-4x-2x=16

4x+2x=160-16

6x=144

x = 24 rabbits = 40 - x = 40 - 24 = 16 rabbits.

A: There are 24 chickens and 16 rabbits.