Listen to 加減乘除 online. 加減乘除 is a Chinese language song and is sung by 劉小慧. 加減乘除, from the album 黎瑞恩 湯寶如 劉小慧音樂大全101, was released in the year 2011. The duration of the song is 4:08. Download Chinese songs online from JioSaavn.