1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10+1/11+1/12的整數部分是幾,為啥

1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10+1/11+1/12的整數部分是幾,為啥

原式=1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10+1/11+1/12
2
所以2