2/5 equals 2 ÷ 5 =?
0.4 → This is the final remainder, because 5× 4 = 20, so it is divisible.
5√2.0→2 divided by 5 is not enough, so borrow another one later, so add a decimal point after it.
2 0
——
0 → the remainder is 0, which means divisible.
So the final answer is 0.4.
Son, division should be easy to learn. This is the topic of 1 and grade 2. Haha ~