The process of writing is as follows:

(1) Write a circle according to the writing rule of 0, as shown below:

(2) Draw a diagonal line from the upper right to the lower left under the upper circle, and the diagonal angle is about 45 degrees, as shown in the following figure:

(3) Finally, according to the rule of writing 0, write a circle under the diagonal, as shown below:

Extended data:

Conversion between percentages and decimals

(1) Decimal system: Delete the percent sign and move the decimal point to the left by two places. For example, 75% can be converted into 0.75.

(2) Decimal percentage: add a percent sign and move the decimal point to the right by two places. For example, 0.62 can be converted into 62%

Conversion between percentage and fraction

(1) Percentalized fraction: Write the percentage as a fraction with the denominator of 100, and then reduce the differential.

Note: When the percentage of molecules is decimal, the molecules should be converted into integers first.

(2) Percentage of scores:

Molecules divided by denominator become decimals and then percentages.