Question

(-1089-234)+(1089-166)

Answer 1

\(\left(-1089-234\right)+\left(1089-166\right)\)

\(=-1089-234+1089-166\)

\(=\left(-1089+1089\right)-\left(234+166\right)\)

\(=0-400\)

\(-400\)

Chúc bạn học tốt~~!!! :3

Answer 2

\(\left(-1089-235\right)+\left(1089-166\right)\)

\(=-1089-234+1089-166\)

\(=\left(-1089+1089\right)-\left(234+166\right)\)

\(=0-400\)

\(=-400\)

CHÚC BẠN HỌC TỐT.