Question

Tính ( Hợp lý nếu có )

( 13 - 135 + 49 ) - ( 13 + 49 )

Answer 1

\(=13-135+49-13-49\)

\(=\left(13-13\right)+\left(49-49\right)-135\)

\(=0+0-135\)

\(=-135\)

Answer 2

Bài làm

   ( 13 - 135 + 49 ) - ( 13 + 49 )

= 13 - 135 + 49 - 13 - 49

= ( 13 - 13 ) + ( 49 - 49 ) - 135

= 0 + 0 - 135

= -135

# Học tốt #

Answer 3

=13 - 135 + 49 - 13 - 49

=(13 - 13)  + (49 - 49) - 135

= 0 - 0 - 135

= -135

Answer 4

( 13 - 135 + 49 ) - ( 13 + 49 )

= 13 - 135 + 49 - 13 - 49

=  (13 - 13) + (49 - 49) -135

= -135

Answer 5

=13-135+49-13-49

=(13-13)+(49-49)-135

=0-0-135

=-135

Answer 6

(13-135+49)-(13+49)

=(13-135+49)-13-49

=(13-13)+(49-49)-135

=0 + 0-135

=0-135

=-135

Answer 7

=13-135+49-13-49

=(13-13)+(49-49)-135

=0+0-135

=0+(-135)

-135

Answer 8

(13-135+49)-(13+49)

=13-135+49-13-49

=(13-13)+(49-49)-135

=0+0-135

=0-135

=-135