2.(1)^3.(-3)^2 - 4( 1 + 2 . (-3) )
2 . 1 . 9 - 4 . ( 1 + 6 )
18 - 4 .7
18 - 28
- 10
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2.(1)^3.(-3)^2 - 4( 1 + 2 . (-3) )
2 . 1 . 9 - 4 . ( 1 + 6 )
18 - 4 .7
18 - 28
- 10