24÷5 Yu 4

24×2÷5 remainder, you can see 4×2÷5 remainder, and the result is 3.

24×3÷5 remainder, you can see 4×3÷5 remainder, and the result is 2.

24×4÷5 remainder, you can see 4×4÷5 remainder, and the result is 1.

So multiply 4 by 24!

3)〔8] 120÷8= 15 15÷8= 1……7

∵7×7-8×6= 1

∴ 15×7=〔 105]

This is also the case.

7×? ÷8 Yu 1

7×7-8×6= 1

So it's seven times

Do you understand?