Question

а/4 ÷ 5 ÷а/10=?
.... ​

Answer 1

1/2

a/4 ÷ 5/1 ÷ a/10 = a/4 × 1/5 ÷ a/10 = a/20 ÷ a/10 = a/20 × 10/a = 1/2 × 1/1 = 1/2