What is the format of the column formula?

The format of this formula is as follows:

The correct format for column calculation is 1 1.22-6.7=4.52. Pay attention to the alignment of decimal points.

1, the formula represents a number that is four times larger than 5 times of A and a number that is three times smaller than 2 times of A. The calculation method of the sum of these two numbers is:

ax5 +4 = 5a+4

ax2 -3 = 2a-3

Sum of two numbers: 5a+4+2a-3 = 7a+1.

2. The decimal number is 4*7, 32+4=36, and the decimal number is written as 6. Divide into three parts.

Emphasize arithmetic, so that numbers on the same number can be added and subtracted. Emphasize formatting and number alignment. Pay attention to carry abdication, don't miss it, don't miscalculate.

Type questions, horizontal copying questions generally have two spaces in front. If the formula is long and needs to be wrapped, the integer and the operation symbol must be wrapped together, and the numbers cannot be written separately; Vertical calculation is generally listed in the middle position below horizontal. For example, when checking the calculation, the vertical position can be appropriately moved to the left, and the vertical type must be bound to the right of the calculation vertical type. Longer horizontal lines in vertical fonts need a ruler.

When performing a mixed operation, the equal sign must wrap each time, and it must be written in front of the number, not under the number, or in the title box. The equal sign and the equal sign must be aligned. Fill the data involved in the calculation formula into the corresponding cells respectively. When calculating the addition and subtraction of integers and decimals vertically, the (same) numbers should be aligned, starting with the (lowest) number.