\(\)35.(14-23) - 23.(14-35)
= 35.14 - 35.23 - 23.14 - (-23).35
=[(-35).23 - (-23).35] + 35.14 - 23.14
=[(-35).23 + 23.35] + 14. (35-23)
=[23. (-35+35)] + 14. 12
=[23. 0] + 168
= 0 + 168
= 168
\(\)-25.21 + 25.72 + 49.25
= 25.(-21) + 25.72 + 49.25
= 25. (-21 + 72 + 49)
= 25. 100
= 2500
\(\)27. (13-16) - 16. (13-27)
= 27.13 - 27.16 - 16.13 - (-16).27
= [ -27.16 - (-16).27 ] + 27.13 - 16.13
= [ -27.16 + 16.27 ] + 13. (27-16)
= [ 16. (-27 + 27)] + 13. 11
= [ 16. 0] + 143
= 0 + 143
= 143