999+999-999\Xd7999\Xf7999= ?

999+999-999×999÷999= ?

 

PENYELESAIAN :

= 999 + 999 - (999 × 999) ÷ 999

= 999 + 999 - (998.001 ÷ 999)

= 999 + 999 - 999

= 1.998 - 999

= 999