Mathematical formula refers to the formula listed in the calculation number or algebra. In primary school, the horizontal formula of the four operations is listed as vertical calculation, which means that it is more convenient to list a vertical formula in the calculation process.

And the sum of numbers is needed. Below the horizontal line, the sum should also be added horizontally. 2. The matters needing attention of mathematical formula are as follows. Write the first addend on the top line first. If the two addends are different, write the number with more digits first. Troops, students or athletes, etc. Arranged in a certain formation according to different arms or organizations, and passed through the reviewing stand in turn by marching and standing at attention. This structure is called determinant.