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12.6 divided by 6, calculate vertically and tell the meaning of each step.

The calculation process is as follows:

In order to simplify the calculation, a vertical calculation is listed. In addition calculation, the same numbers are aligned. If the sum exceeds 10, it will move forward to 1. When subtracting, the same numbers are aligned. If it is not enough, borrow 1 from the last digit as 10.

Extended data:

Division of two numbers is also called the ratio of two numbers. If ab=c(b≠0), the operation of finding another factor A by multiplying the product C and the factor B is division, which is marked as c÷b and pronounced as C divided by B (or B divided by C). Among them, c is called dividend, b is called divisor, and the result of a operation is called quotient.

Dividend subtracts the divisor until the remainder is less than the divisor. For example: 17÷5=3…2, that is, 17 subtracts three fives, leaving 2.