Question

25-(9-10)+(28-4)

Answer 1

50

Answer 2

50

Answer 3

=25-(-1)+(28-4)

=25+1+24

=50

Answer 4

\(\text{25-(9-10)+(28-4)}\\ =25-9+10+28-4\\ =16+10+28-4\\ =26+28-4\\ =54-4\\ =50\)

Answer 5

50

Answer 6

50

Answer 7

50

 

Answer 8

50