1,
a) 29 . ( -13 ) + 27 . ( -29 ) + ( -14 )( -29 )
= 29 . ( -13 ) + ( -27 ) . 29 + 14 . 29
= 29[ ( -13 ) + ( - 27 ) + 14 ]
= 29 . ( - 26 )
= -754
b) 17 . ( -37 ) - 23 . 37 - 46 . ( -37 )
= 17 . ( -37 ) + 23 . ( -37 ) - 46 . ( -37 )
= ( -37 )( 17 + 23 - 46 )
= ( -37 ) . ( -6 )
= 222
2,
a) [ ( -23 ) . 5 ] : 5 = ( -23 ) . 5 : 5 = ( -23 ) . ( 5 : 5 ) = -23 . 1 = -23
b) [ 32 . ( -7 ) ] : 32 = 32 . ( -7 ) : 32 = ( 32 : 32 ) . ( -7 ) = 1 . ( -7 ) = -7