120 points Everyone help me complete a problem Activity question

Harry Potter The Beatles The key to what is is suitable for the performance is to choose one that is not too offbeat, a little playful but not too funny.

The team emblem is designed according to the name of the program or something you choose, which is simple and good, not too complicated.

The team song is easy to learn and easy to perform, and of course it is best to connect with your own program.

The appearance mode, to a little magic or something, or cute type is mainly to give everyone a visual impact, natural music is an indispensable element.

1.You're very different, so I think your team has to be as different as you are, so that you don't have to argue with each other.

2.If you have a team emblem, you can find a non-mainstream one, which is very suitable for you young people.

3.The team song is even more outrageous, you can make it up yourself according to your group's ideas or find a star song.

4.I think it's a bit difficult to appear in the mode, my idea is this: 12 people stand in a triangle, and then there is a cloak behind them, with their backs to the audience, and you can play along with the melody of **.

eagle (legit eagle -

2.Eagle. 's a pirate

4.Just walk out with your head held high. It's best to match it with an impassioned background**.

1.Because the psychology teacher asked you to do it, you have to come up with some neutral team names, such as "12 Elves", and it is best not to be too alternative.

2.The emblem could be a little simpler.

3.The team song is a little higher.

4.If you appear, you can be like a puppet doll, find everyone's position first, and then start putting **, and then start dancing.

Team Name: Angels

Emblem: A lovely angel.

Couplet: Pretty Boy

Appearance mode: Stride up with your head held high, and play improvisably if necessary.

General fraction is added or subtracted from the denominator fraction. Scores apply.

General fraction Denominator fraction addition and subtraction.

Scores apply.

Analysis: 1) According to the information in the chart, we find that the desert area increases by 10,000 mu every year, so according to this law, we can conclude that the function formula should be a function, and then the function can be calculated according to the coefficient method to be pure (or it can be written directly according to the law) to obtain the function formula and substitute x=20 to obtain the desert area of the region in the 20th year.

2) The equivalent relationship of this problem is the area of the farmer's planned tree planting in a year + the area of the planned grass planting = 2400 mu, and the actual area of the farmer planting trees in a year + the actual area of grass planting = 2400 mu From this, the equation system can be obtained to find the amount of trees planted and the area of grass planted in the year that the farmer plans to plant in a mountain and then calculate the difference between the planned and actual cost of planting trees and grass, and then find out how many acres of trees can be planted with the surplus funds