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.