1, 69 divided by 3, written in vertical calculation format.

2. Divide the previous ten digits by: ten digits: 6÷3=2, that is, the ten digits are 2.

3. Unit: 9÷3=3, that is, the number of units is recorded as 3, and there is no remainder.

Namely: 69÷3=23.

Check calculation: multiply quotient 23 by divisor 3:

Check: 23×3=69, and? 69÷3=23.

That is, the calculation is correct and the result is correct.

Division rule of extended data integer

1) Start with the high order 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 quotient on divisor and dividend;

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