5th grade summer vacation homework 1 21 how to find a solution

The second is based on profit = sales revenue - cost.

Profit = (700 + 900) - (650 + 850) = 100 yuan.

The second answer is correct, because the merchant buys and sells to complete a round of transactions, and then buys and sells again is the second round of transactions, and this person earns 50 yuan in each round of two rounds, and a total of 100 yuan in two rounds. That is: (700-650) + (900-850) = 100 yuan.

(2), use when to subtract, sell when add. -650+700-850+900=100 Earn 100 ends.

I'm sorry, I'm not from the people's education version, I'm from the Beijing Normal University version!!

First of all, calculate how many square meters of planks are needed to make a wooden frame, in fact, it is to calculate the surface area of the wooden frame, and the result of ascending to the field is 50 * 50 * 2 + 50 * 150 * 2 + 50 * 150 * 2 = 35000

Now you need to make 300 wooden frames, which is 35000*300=10500000 square centimeters, which is 1050 square meters.

This is how to calculate the shouting of birds.

You do the math again and see if there are any miscalculations.

Yuan) Yuan).

Less than RMB) A: 24 cartons of milk are cheaper and cheaper.

Lamborghini car logo meaning.

Lamborghini, also translated as Lamborghini, Lamborghini (Taiwanese translation). Automobili Lamborghini is a company based in Sant'Agata Bolognese, Italy'Agata Bolognese). Founded in 1963 by the entrepreneur Ferruccio Lamborghini, the company changed hands several times due to poor management.

Lamborghini has a solipsistic domineering in its bones, and this domineering has established it a prominent position in the automotive industry.

The meaning of the Toyota logo.

Toyota's three-elliptical logo has been in use since the early 1990s. The large ellipse in the logo represents the earth, and the two ellipses in the middle are vertically combined into a T-shape, representing Toyota. It symbolizes Toyota's confidence and ambition in the future, and also symbolizes Toyota's commitment to customers, the guarantee to customers, the hearts of users and car manufacturers are connected, with a sense of mutual trust, and at the same time symbolizes Toyota's superb technology and innovation potential.

Toyota's brand interpretation symbolizes Toyota's confidence and ambition in the future.

The national flag of the People's Republic of China, with a red flag, symbolizes the revolution. The big five-pointed star in the national flag represents the Communist Party of China, and the four small five-pointed stars represent the four classes of workers, peasants, petty bourgeoisie, and national bourgeoisie. Each of the four small stars has a tip facing the center point of the big star, and the position relationship between them symbolizes the great unity of the revolutionary people under the leadership of the Communist Party of China.

The use of yellow in the five stars is to show light on the red ground, and it also means that the Chinese nation is a yellow race.

1+3+7=11 so 1*3*7*11=231

There are three selections for the thousand, leaving three numbers, and there are three selections for the hundred, and the remaining two numbers are 3*3*2=18

Question 2: There are three ways to choose the thousand, and there are three numbers left, and there are three ways to choose the hundred, and the remaining two numbers are 3*3*2=18

1）yes,he was

2)no,he didn't (nine o'clock is not early) 3) 9:00 (look at the second picture, Li Rang but he just got up to do his homework, really fast and diligent) 4) shopping (the third picture is not clear in the acres).

1/5×12=12/5=

) = or 12 5

It is not easy to answer the question, if you are dissatisfied, please understand