1000 : 100 × [ 1 000 000 - (315 × 65 : 75 + 680 × 509 + 653 607)] =
= 10 × [ 1 000 000 - ( 20 475 : 75 + 680 × 509 + 653 607)] =
= 10 × [ 1 000 000 - ( 273 + 680 × 509 + 653 607)]
= 10 × [ 1 000 000 - ( 273 + 346 120 + 653 607)] =
= 10 × [ 1 000 000 - 1 000 000] =
= 10 × 0 =
= 0.