Question

Rút gọn biểu thức:

(-37) – (x + 23) + 15 =

Answer 1

\(-x-45\)

Answer 2

(-37)-(x+23)+15

=-37-x-23+15

=-45-x

Answer 3

=−37−x−23+15
=−x−(37+23)+15
=−x−60+15
=−x−(60−15)
=>−x−45

Answer 4

-45