11 / 9 - 1 / 2 / 4 / 5 - 3 / 8 간편 계산

11 / 9 - 1 / 2 / 4 / 5 - 3 / 8 간편 계산

11 / 9 - 1 / 2 / 4 / 5 - 3 / 8
= 11 / 9 - 1 / 2 * 5 / 4 - 3 / 8
= 11 / 9 - 5 / 8 - 3 / 8
= 11 / 9 - (5 / 8 + 3 / 8)
= 11 / 9 - 1
= 2 / 9