Question

начертите координатную прямую с единичным отрезком 10 клеток.Отметьте на ней 7/10 ,1/5 ,1/2 ,2/5 ,7,5 запишите эти дроби в порядке убывания. ПОМОГИТЕ ПОЖАЛУЙСТА,МОЖЕТЕ НА ФОТО НАЧЕРТИТЬ ПЖ​

Answer 1

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Answer 2

Drawing a Coordinate Line

To draw a coordinate line with a unit length of 10 cells, we can start by marking the origin (0) at the center of the line. Then, we can count 5 cells to the left and 5 cells to the right of the origin to mark the endpoints of the line.

Here is a visual representation of the coordinate line:

-5  -4  -3  -2  -1   0   1   2   3   4   5

Marking Fractions on the Coordinate Line

To mark the fractions 7/10, 1/5, 1/2, 2/5, and 7.5 on the coordinate line, we need to determine their respective positions.

1. 7/10: To mark 7/10 on the coordinate line, we divide the line into 10 equal segments and count 7 segments from the origin. The point representing 7/10 will be located between the 0 and 1 cells.

2. 1/5: To mark 1/5 on the coordinate line, we divide the line into 5 equal segments and count 1 segment from the origin. The point representing 1/5 will be located between the -1 and 0 cells.

3. 1/2: To mark 1/2 on the coordinate line, we divide the line into 2 equal segments, and the point representing 1/2 will be located at the origin (0).

4. 2/5: To mark 2/5 on the coordinate line, we divide the line into 5 equal segments and count 2 segments from the origin. The point representing 2/5 will be located between the 0 and 1 cells.

5. 7.5: To mark 7.5 on the coordinate line, we locate the point between the 7 and 8 cells.

Here is the updated coordinate line with the marked fractions:

-5  -4  -3  -2  -1   0   1   2   3   4   5
               1/5         2/5     7/10
                                 7.5

Writing the Fractions in Descending Order

To write the fractions 7/10, 1/5, 1/2, 2/5, and 7.5 in descending order, we start with the largest value and proceed to the smallest.

The fractions in descending order are as follows:

7.5, 7/10, 1/2, 2/5, 1/5

I hope this helps! Let me know if you have any further questions.