Question

1,tính nhanh 

a, -(32+47)+96-168+47

Answer 1

\(-\left(32+47\right)+96-168+47\)

\(=-32+\left(-47\right)+96-168+47\)

\(=\left(-32-168\right)+\left(-47+47\right)+96\)

\(=-200+0+96\)

\(=-104\)

Answer 2

\(-\left(32+47\right)+96-168+47\)

\(=-32+\left(-47\right)+96-168+47\)

\(=\left(-47+47\right)+\left(-32-168\right)+96\)

\(=0-200+96\)

\(=-104\)

Answer 3

\(-\left(32+47\right)+96-168+47\)

\(=-32+\left(-47\right)+96-168+47\)

\(=\left(-32-168\right)+\left(-47+47\right)+96\)

\(=-200+0+96\)

\(=-104\)

Answer 4

\(-\left(32+47\right)+96-168+47\)

\(-32+\left(-47\right)+96-168+47\)

\(\left(-32-168\right)+\left(-47+47\right)+96\)

\(=-200+0+96\)

\(=-194\)