Question

(72-45+√100).(65-√36.√100)-185=

Answer 1

= (72 - 45 + √100).(65 - √36. √100) - 185
= (27 + 10).(65 - 6.10) - 185
= 37.(65 -60) - 185
= 37.5 - 185
= 185 - 185
= 0

Answer 2

(72 - 45 + 10) . (65 - 6 . 10) - 185 = 
(72-55) . (65 - 60) - 185 = 
(17). (5) - 185 = 
85 - 185 = -100