Is one square meter the same as one square meter?

Is one square meter the same as one square meter?

People usually take one square meter as one square meter. In fact, one square meter can replace many units. You should pay more attention to it

Is there a difference between square meter and square meter? How much square meter is equal to?

Generally speaking, square meter means square meter

-The difference between the square of (1-3) and the square of (- 1-3)

-The square of (1 / 3) is the opposite of the square of 1 / 3. The square of (- 1 / 3) is the square of (1 / 3)
∴-（1/3）^2=-(-1/3)^2