Question

TÍNH HỢP LÍ

(-23)+37+(-79)+(-125)+221

Answer 1

(-23)+37+(-79)+(-125)+221

=14+(-204)+221

=-190+221

=31

Answer 2

( - 23) + 37 + ( - 79) + ( - 125) +221

= [ ( -23) + ( -79) + ( -125) +221] + 37

= [ ( -227) +221 ] + 37

= ( -6) + 37

= 27

Answer 3

linh sai rồi

Answer 4

\(=\left(-23\right)+37+\left(-79\right)+\left(-125\right)+221\)

\(=\left[\left(-23\right)+\left(-79\right)+\left(-125\right)+221\right]+37\)

\(=\left(-6\right)+27\)