Synchronization instruction of the second volume of the fifth grade of mathematics 5 1

The sum of the question 1:0.65 and the simplest score is 1, and the simplest score is ().

Answer: July 20th.

Question 2: The sum of numerator and denominator of a fraction is 38, which is 0.9 after being converted into decimal, and the original fraction is ().

Answer: 18/20

Question 3: The only difference between the numerator and denominator of a fraction is 7, which is 0.9 after being converted into decimal, and the original fraction is ().

Answer: 63/70

The key to these questions is: first, simplify the decimal to the number of components, for example, the number of components of 0.9 is 9/ 10, and then combine the previous questions to find it easily.

A math problem is urgent ~!

In 2009, a senior high school entrance examination in Quzhou took mathematics.

If these speech cards are divided into three groups, how should they be divided according to what?

Dreaming that you can't do a question in the math exam is a harbinger.

What are the types of "shape movement" in primary school mathematics?

What is the angular velocity formula?

How much is 95 points in the first volume of mathematics in the fifth grade of Fanxian Town, Puyang City, Henan Province?

What math extracurricular reading materials are there?

What is the specialty of 06 specialty group in Nanjing University of Technology?

What good learning methods can you share during the postgraduate entrance examination?