Square decimeter is expressed in letters: dm? .

Square centimeters are expressed in letters: cm? .

Square meters are metric units of area. In life, square meters are usually referred to as "square meters" or "squares" for short. A square meter is defined as the area of a square with a side length of 1 meter.

Square decimeter (dm? ) is the metric unit of area. It is defined as the area of a square with a side length of 1 decimeter.

Square centimeter (cm2)? It is a general mathematical calculation unit and area unit. It is also a metric unit of area, defined as the area of a square with a side length of 1 cm. About the size of a thumb nail.

Extended data:

1 ㎡( 1㎡)= 100dm？ (100 square decimeter) = 10000 cm? ( 10000 cm2)= 1000000mm？ (1000000 mm2)

Unit conversion is to convert square meters into square decimeters, square centimeters and square millimeters, and then square the carry between them with units. For example,1m =10dm; 1㎡= 10dm× 10dm = 100dm？ . The rest can be converted by this conversion method.

Application of ㎡:

㎡ can be used to measure all kinds of flat objects in life. Including the measurement of buying a house and buying tiles.

㎡ can be used to solve and learn mathematical problems, and can also be widely used in applied problem units of other disciplines.

㎡ can be used as the abbreviation of square meters in life.

References:

Baidu encyclopedia-square meter

Baidu encyclopedia-square decimeter

Baidu encyclopedia-square centimeter