1 fill in the last question, which is said to be more difficult. . .
Almost all netizens' answers are 2, and some netizens even say that it is measured with a ruler,-~
The first step of mathematical calculation should be classified and discussed! !
There are two kinds of statements:
A when a= 1, the original formula =- 1 when there is no solution, a≠ 1.
When B a= 1, the topic itself is meaningless, so it doesn't matter what the situation is.
A the answer is definitely no problem, b the answer. . .
Coordinates of 3 P points
p(5,0)(6,0)(25/6,0)
R= 1 r=5-2 root number 5
The problem of four vectors. .
Vector A+ 1/2 vector b
Five Answers to Three Finals in Mathematics
The root number of (1) is 3/2(2)Y =(2-x)/4(3)90 degrees. Many students failed to prove it, but they all wrote the answer, and some students said it was measured. . Incompatible
I saw the answer to the last question of a classmate's finale on the Internet and published it.
6 define the theme of the field
Now there are three different answers.
A 0≤x≤2 is the answer of most people.
B0 & lt; x≤7/8
C 0≤x≤7/8
7 Xiao Ming's probability problem
There are also two answers.
A 1/6 B 1/7 A The answers are mostly students.
Answers to 8 statistical questions
20%, 6%, 35%, 5 times
The answer to a math problem. .
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See for details.