485 - ( 6 × 4 + 32 )
= 485 - ( 24 + 32 )
= 485 - 56
= 429
1000 - ( 500 + 499 + 1 )
= 1000 - 1000
= 0
3651 × { 452 - [ 52 + ( 500 - 100 ) ] }
= 3651 × { 452 - [ 52 + 400 ] }
= 3651 ×{ 452 - 452 }
= 3651 × 0
= 0