The answer is 4

[morkooshino]

9 - 3 / ⅓ + 1 = ?
first we do 3 / ⅓ = 6.
then its 9 - 6 + 1 = 4.

[Nina]

Are you sure about 3 / ⅓ = 6?

[jesh]

1/3 = 0.3333, It means 3/0.3333 = 9

[Nina]

Exactly.

Alternatively: 3 / ⅓ = 3 * 3/1 = 3 * 3 = 9.

Or: 1/3 = 3⁻¹.
And: 3 / 3⁻¹ = 3 * (3⁻¹)⁻¹ = 3 * 3^(-1 * -1) = 3 * 3¹ = 3 * 3 = 9.