1, -5 . 7 . ( -12 ) . | -4 | . ( -8 )
= -5 . 7 . ( -12 ) . 4 . ( -8 )
= ( -35 ) . ( -12 ) . ( -32 )
= -13440
2, - | -3 |. ( + 7 ) . 8 . ( -15 ) . | -6 |
= - 3 . 7 . 8 . ( -15 ) . 6
= ( -21 ) . ( -15 ) . 48
= 15120
3, | -4 | . ( -3 ) . 5 . ( -7 ) . | -9 |
= 4 . ( -3 ) . 5 . ( -7 ) . 9
= ( 4 . 5 ) . ( 3 . 7 ) . 9
= 20 . 21 . 9
= 3780
4, -12 . ( -8 ) . | -6 | . | -5 | . ( -11 )
= 12 . 8 . 6 . 5 . ( -11 )
= 96 . 30 . ( -11 )
= -31680
5, 8 . | -7 | . | -6 | . 3 . ( -4 ) . ( -13 )
= 8 . 7 . 6 . 3 . 4 . 13
= 56 . 18 . 52
= 52416
