According to the meaning of the formula, dividend,-apostrophe (divisor)-divisor-horizontal line (equal to)-quotient-product-remainder are consistent with the vertical form of addition, subtraction, multiplication and division, which is easy to understand.

For example:

The vertical division of 84 divided by 6 is as follows:

Law of integer division? ：

1, starting with the quotient of the dividend, first look at how many digits there are in the dividend, and then try to divide the dividend by the first few digits. If it is smaller than the divisor, divide it by one digit as much as possible;

2. Write the quotient except the dividend on the dividend;

3. The remainder after each division operation must be less than the divisor.

Extended data

Vertical calculation jingle:

1, plus vertical calculation jingle:

When two numbers are added, the result of the addition is called sum; Don't forget the numbers on the right, one for every ten.

2. Subtractive vertical calculation of jingle:

Subtraction is used from big to small, and the result of subtraction is called difference; Digital alignment starts from the right, and when it is not enough, take the front position.

3. Vertical calculation of multiplication jingle:

It is not difficult to multiply two numbers. There are three points in the calculation process: the multiplier must be calculated first and then multiplied by ten digits; The last digit of the product is the key, which is opposite to the ten digits; After the two products are added up, calculate the number of layers in your mind.

4. Vertical calculation of static music division:

Divide two by two, and two is not enough to divide three; Except the quotient, the remainder is less than the divisor; Then, except for the next item, the test method should be flexible.