9+99+999+9999+9999+99999=?

9+99+999+9999+9999+99999=? 9+99+999+9999+99999 = = 9+99+999+9999+99999=? 9999999+999999+99999+9999+999+99+9= 9+99+999+9999+99999+999999+9999999+99999999=? 9*99*999*9999*99999*999999=?3Q 9+99+999+9999+99999+999999=______． 9+99+999+9999+99999+999999+9999999+99999999=( ) 计算：99999+9999+999+99+9=______． 9+99+999+9999+99999+999999-10000 9十99+999+9999+99999 (9+99+999+9999+99999+999999+9999999)×9×99×999×9999×99999÷900