Study problems for high 1, math problems for high 1

I'm from here, and I've taught chemistry to a lot of high school students.

As far as experience is concerned, I think you should mainly learn chemistry in the second year of high school, with the textbooks of the first year of high school in your schoolbag, and when you encounter knowledge points that you don't know, first ask your classmates who are good at learning, and ask them to point out the knowledge points that are the first year of high school, and then go back and review them carefully.

In learning, persistence is victory, as long as you can persevere, you will definitely achieve excellent results in the college entrance examination!

I'm from here. In the same way, I started out with a bad chemistry job, but then I realized that chemistry is really easy. Later, it will not be as difficult as physics and mathematics. Headaches

You need to know at least the basics of high 1

The most basic master, when you learn the knowledge of high 2, you often don't know how to ask more, if it involves high 1, then turn the book out and read, so that it is more efficient than reading the high 1 book completely, and the impression is also clear

I'm also in my first year of high school because our school divides subjects early.

So I've been in science for a semester.

Our physics teacher kept saying that physics in the first year of high school was the hardest.

The sophomore year of high school is not that difficult.

So. He kept asking us to review physics for the first year of high school.

Because the first year of high school is almost finished (we are studying the second year of high school in advance), and this is also the focus of the college entrance examination, so we must review it carefully.

Chemistry is nothing.

It's just that you have to learn the basics such as the quantity of matter and the periodic table well.

Math 2 begins to learn inequalities.

It's very simple, but the proof behind it is a bit difficult, as long as you study it seriously, it's no problem.

Chinese and English are competency-focused, so there is no difference.

In fact, you can read the chemistry junior high school books and the books of the first year of high school together, to paraphrase the upstairs, the chemistry in high school is the expansion of chemistry in junior high school, and the foundation of junior high school is laid, and there is no problem if you generally understand the basic rules.

.Actually, I studied literature. Hehe!

That's right, I've heard others say that chemistry is relatively simple, but I'm also the worst in chemistry, I'm from the past, and I think if chemistry can't keep up with the front, then it's hard to keep up with the back, so I have to make up for it. Deviation from class is serious, and it will affect the college entrance examination at that time.

Chemistry in the first year of high school is also something to see!

But don't just look at it, it might be better to look at it in understanding

Yes, it's a ring after a ring, but as long as you refuel yourself, it will also be effective if you come out to make up for it for some time. You can find your teacher to take time to make up lessons for you, and you have to watch more, learn more, and use your brains more, or you can take advantage of the holidays to find a tutor, as long as you are willing to work hard, what is impossible! Come on!!

In fact, chemistry in the first year of high school and some courses in junior high school are the focus.

aub=

Does a reversal indicate the complement of A, yes, just go down, if not, you don't need to look down.

a inverts ub=, cr(a inverts ub)= , which indicates an empty set.

cra) inverted u

b=aub=

au（crb）=φ，

Here we use the tangent formula for the angle of a straight line to a straight line:

The tangent of the angle of the straight line L1 and the straight line L2 is tan =(k2-k1) (1+k1·k2).

The bisector of c divides c into two equal angles, then their tangents are also equal, which is derived from the formula: 2-kac 1+2*kac=kbc-2 1+2*kab