Fractional application problems correspond to integer application problems, and the questions about units are exactly the same as integer application problems. If you need to increase, you must increase. And most formulas need to add units.

The composite number can be changed to a singular number, such as l yuan, 25 points, and can be written as 1, and the 25-column formula can be written without units. Finally, the unit can be added, such as l yuan 25 points 10 2 yuan l points, which can be written as l, 25,2, l5 = 3,4 (yuan).

Matters needing attention in the application of jiaoyuan powder

First of all, Jiao Yuanfen is the basic unit of calculation of RMB;

Second, they are decimals of 10, that is, 1 yuan = 10 angle, 1 angle 10 minute. Each of us should understand the relationship between them, because with the development of society, such a small unit of measurement seems meaningless, but we should be frugal and cherish the happy life without accumulating footsteps, miles, streams, rivers and seas, or even the greatest wealth.