Question

-69+53+46+(-94)+(-14)+78=?

Answer 1

\(-69+53+46+\left(-94\right)+\left(-14\right)+78\\ =-69+53+46-94-14+78\\ =-69+99-108+78\\ =30-30\\ =0.\)

Answer 2

\(-69+53+46+(-94)+(-14)+78\\=(-69+53)+[(-94)+78]+[46+(-14)]\\=-16-16+32\\=-32+32\\=0\)

Answer 3

69+53+46+(−94)+(−14)+78

=−69+53+46−94−14+78

=−69+99−108+78

=30−30

=0.