35 . 18 - 5 . 7 . 28
= 35.18-5.7.28
= 35 . 18 - 35 . 28
= 35 . ( 18 - 28 )
= 35 . ( - 10 )
= -350
D. 24.(16-5)-16.(24-5)
= 24 . 11 - 16 . 19
= 264 - 304
= -30
E. 29.(19-13)-19.(29-13)
= 29 . 6 - 19 . 16
= 29 - 19 . 6 .16
= 10 . 6 . 16
= 60 . 16
=960