Question

2+3+7-4-5+8+9+(9-8)×2+33-45​

Answer 1

2+3+7−4−5+8+9+(9−8)(2)+33−45

=5+7−4−5+8+9+(9−8)(2)+33−45

=12−4−5+8+9+(9−8)(2)+33−45

=8−5+8+9+(9−8)(2)+33−45

=3+8+9+(9−8)(2)+33−45

=11+9+(9−8)(2)+33−45

=20+(9−8)(2)+33−45

=20+(1)(2)+33−45

=20+2+33−45

=22+33−45

=55−45

=10