[ 20 × ( 8 - 100 : 25 ) + 2 × 10 ] : 10 + 17 × 100=
= [ 20 × ( 8 - 4 ) + 2 × 10 ] : 10 + 17 × 100 =
= ( 20 × 4 + 2 × 10 ) : 10 + 17 × 100 =
= ( 80 + 2 × 10 ) : 10 + 17 × 100
= ( 80 + 20 ) : 10 + 17 × 100
= 100 : 10 + 17 × 100
= 10 + 17 × 100
= 10 + 1700
= 1710