Formulas of mathematical legal problems in junior middle schools - Training Enrollment Network

Formulas of mathematical legal problems in junior middle schools

Hehe, 1 is also being asked here.

The first answer is wrong! (The second answer is also wrong. )

∫ The diameter ratio of two adjacent semicircles is 2: 1 and the area ratio is 4: 1 (the area ratio is the square of the length ratio).

The area of the fourth semicircle is four times that of the third semicircle.

The second question:

Related articles

Does the binary linear equation ax+by=c have an integer solution? Here a, b and c are all integers, and a and b are coprime.

How to teach children ten makeup methods?

Complete works of mathematics problems in children's small classes

Children's math is amazing.

Xifeng senior high school entrance examination time

Hainan Adult College Entrance Examination "Senior One" Examination Questions and Answers over the Years (II)?

What is the date of Anhui senior high school entrance examination in 2023?

How to write math instruction 64 in the first volume of the third grade?

Fifth, the answer to the hegemony of mathematics primary school learning

How can liberal arts score the fastest? soon