Question

c. 145 + 53 +(-145) + 47

Answer 1

100

Answer 2

=145+(-145)+53+47

=0+53+47

=53+47

=100

Answer 3

\(\text{145 + 53 +(-145) + 47}\)

\(=145+\left(-145\right)+53+47\)

\(=0+100\)

\(=100\)

Answer 4

145+53+(-145)+47

=(145-145)+(53+47)

=0+100

=100

Answer 5

100