(35 - 17) - (-17 + 20 + 35)
=35-17+17-20-35
=35-35-17+17-20
=-20
\(\left(35-17\right)-\left(-17+20+35\right)\\ =18-\left(3+35\right)\\ =18-38\\ =-20\)
(35-17)-(-17+20+35)
=35-17+17-20-35
=(35-35)+[(-17)+17] -20
=-20
\((35 - 17) - (-17 + 20 + 35)\)
\(=(35 - 17) +(17 + 20 + 35)\)
\(=(35-36)+(17-17)-20\)
\(=0+0-20\)
\(=-20\)
( 35 - 17 ) - ( - 17 + 20 + 35 )
= 35 - 17 + 17 - 20 - 35
= 35 - 35 - 17 + 17 - 20
= - 20
