1933, Wan Jiabao (Cao Yu's real name), a student in Tsinghua University, wrote his first drama Thunderstorm. 1In July, 934, Thunderstorm was first published in the Literary Quarterly edited by Ba Jin under the name of Cao Yu. Since then, it has become famous at home and abroad. It has been translated into Japanese, English, Russian, Korean and Vietnamese, and has been adapted into movies and TV series in addition to theatrical performances. There are countless versions. Japan, Singapore, South Korea, the former Soviet Union, Hungary, the United States and other countries have staged the drama Thunderstorm.
Urgent windows 2003server, check your upstream and downstream data flow, and then look at your system program to see if there is a Trojan logging into your computer through the back door, so it is best to kill virus first.
Looking for a master. What's the urgent need for a master? Woodworking, bricklayer?
Still want to learn from the master?
If you are looking for a wallpaper builder, you can find your master by this method. Web page link
Urgent 1.2x4.8= =? The function f (x) = (A2x-1)/(2x+1) is a odd function defined on R, so f(0)=(a- 1)/2=0. 2) f(x) = (2x-1)/(2x+1) The inverse function of f (x) is f (- 1) (x) = log2 [(. 2 o'clock, 1-b
Mathematical problems. . Rules for quickly removing brackets
Edit this paragraph to remove the brackets.
1. Parentheses are preceded by a "+". Remove the brackets and the "+"in front of them, and the symbols of the items in brackets remain unchanged.
There is a "-"before the brackets. Remove the brackets and the "-"sign in front of them, and change the symbol of each item in brackets.
The basis of the parenthesis rule is actually the multiplicative distribution rate.
Note: Pay attention to the symbol before brackets, which is the basis for whether the items in brackets change their signs after removing brackets.
When deleting brackets, the symbol before brackets should be deleted together with brackets.
It should be noted that when there is a "-"sign in front of the brackets, the symbols of the items in brackets will change after the brackets are removed. You can't just change the symbol of the first item or the first few items in brackets and forget to change other symbols.
If there is a numerical factor in front of the brackets, before removing the brackets, multiply the number with the items in brackets by multiplication and division to avoid mistakes.
When you encounter multiple layers of brackets, you usually remove the brackets from inside to outside, and you can also count the number of "-"from outside to inside.
Edit this example
Example 1: Remove brackets first, and then merge similar items.
( 1)5a-(2a-4b)；
(2) 2x2+3(2x-x2)
Solution: (1)5a-(2a-4b)
=5a-2a+4b
=3a+4b
(2)2x2+3(2x-x2)
=2x2+6x-3x2
=-x2+6x
Example: First remove the brackets, and then merge similar items.
a-(2a-b)-(a+2b)
-(x2-y2)+(-4x2- 1)-(x2+y2)
(x2-y2)-4(2x2-3y)
2(5a2-2ab)-3(3a2+4ab-b2)
Calculation: 4xy-3x2y-{3x2y+xy2-
[2xy2-4x2y+(x2y-2xy2)]}
simplify
(a2-b2)-2(3a2-2b2)
(8x-3y)-(4x+3y-z)+2z
2m-3n+[5m-(3m-n)]
-(2a-b)-{b-[a-(2a-b)]}
Suppose m-n=3,
Find the value of 4(m-n)-3m+3n+5.
Olympic math problem, urgent! People at 8 stops don't have to get on the bus. Suppose people get on X at the seventh stop and get off at the terminal Y.
100+X=80+Y .
So Y-X= 100-80=20 people. That is to say, the Y people below the terminal minus the X people at the seventh stop, leaving 20 people who got off at the last six stops and got off at the terminal.
Java sql problem! Urgent! ST . execute update(" insert into XT values("+texta . gettext
()+" '，' "+textb.getText()+" '，' "+textc . gettext()+" " ')"；
Urgent, x/(y%+ 1) in the exam.
First aid! First aid! Help! Help! Talking about the vastness of the sea, I think it is better to be a businessman than to know the sea. Talking about the recipes of various treasures, thinking that they are delicious, is actually not as good as a chef to taste. You don't know the truth without practice, and you don't know the difficulties without practice. How can we acquire real knowledge without practice? Looking at the map of Wuyue Mountain, I thought I knew this mountain. In fact, I might as well take a trip to the mountain with firewood. Talking about the vastness of the sea means that you know about the sea, but in fact, a businessman had better have a look at the sea; When you talk about various recipes of food, you think you know food, but it's not as good as the taste of a chef.
Then know, and then difficult. -Wei Yuan
Know before you know it.
Experience is the best teacher.
Theory must be based on practice.
Urgent before heavy. Urgent! If you haven't found out anything, I think you can see if you have any psychological stress problems recently. A friend of mine has the same problem as you. He thinks he has intestinal cancer. Later, the psychological problem was solved. First, be urgent, then be good. Also, you can go to see a Chinese doctor and recuperate.