`(25+51)+(42–25–53–51)` `=25+51+42-25-53-51` `=(25-25)+(51-51)+(42-53)` `=0+0+(-11)` `=-11` Bình luận
(25+51)+(42–25–53–51)
= 25+51+42-25-53-51
=25-25+51-51+42-53
=0+0+(-11)
=-11
`(25+51)+(42–25–53–51)`
`=25+51+42-25-53-51`
`=(25-25)+(51-51)+(42-53)`
`=0+0+(-11)`
`=-11`