(86-23+56)-(186-23+56)
-(123-13-48)+(123-13)
(96+278)-(278+96-125)
(86-23+56)-(186-23+56) -(123-13-48)+(123-13) (96+278)-(278+96-125)
By Abigail
By Abigail
(86-23+56)-(186-23+56)
-(123-13-48)+(123-13)
(96+278)-(278+96-125)
(86-23+56)-(186-23+56)
=119-219
=-100
-(123-13-48)+(123-13)
=(-62)+110
=48
(96+278)-(278+96-125)
=374-249
=125
Đáp án+Giải thích các bước giải:
(86-23+56)-(186-23+56)
=86-23+56-186+23-56
=(86-186)+(-23+23)+(56-56)
=(-100)+0+0
=-100
\[\\\]
-(123-13-48)+(123-13)
=-123+13+48+123-13
=(-123+123)+(13-13)+48
=0+0+48
=48
\[\\\]
(96+278)-(278+96-125)
=96+278-278-96+125
=(96-96)+(278-278)+125
=0+0+125
=125
\[no copy\]