Question

5×(9×111+74×6)-[(500-112×4)×3-(100-37):7:3]×2=

Answer 1

5 × ( 9 × 111 + 74 × 6) - [ ( 500 - 112 × 4) × 3 - (100 - 37) : 7 : 3 ] × 2 = 6 909
=5 × ( 999 + 444 ) - [ ( 500 - 448 ) × 3 - 63 : 7 : 3] × 2 =
= 5 × 1 443 - ( 52 × 3 - 9 : 3) × 2 =
= 7 215 - ( 156 - 3) × 2 =
= 7 215 - 153 × 2=
= 7 215 - 306 =
= 6 909