Question

815+[95+(-815)+(-45)]

Answer 1

815+[95+(-815)+(-45)]

\(=\) 815+(95-815-45)

\(=\) 815+95-815-45

\(=\) 50

Answer 2

815+[95+(-815)+(-45)]

= 815 + ( 95 - 815 - 45 )

= 815 + ( - 765 )

= 50

Answer 3

815+[ 95+(-815) + (-45)]

=50