186:6=
We will use the distributive property of division and split the number 186 into the sum of 180 and 6, which makes the division operation easier and allows us to solve the exercise without a calculator
Reminder - The distributive property of division actually allows us to split the larger number in a division problem into a sum or difference of smaller numbers, which makes the division operation easier and allows us to solve the exercise without a calculator
We will use the formula of the distributive property
We will continue to solve according to the order of operations
Therefore the answer is option D - 31.
And now let's see the solution of the exercise centered: