(27+514)-(-486-73)
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
= 27 - 514 - 486 + 73
= ( 27 + 73 ) - ( 514 + 486 )
= 100 - 1000
= -900
( 27 - 514 )-(486-73)
=(514+486) - (27 + 73)
= 1000 -100
= 900
![](https://rs.olm.vn/images/avt/0.png?1311)
(27 – 514) –(486 – 73) = 27 – 514 – 486 + 73
= (27 + 73) – (514 + 486) = 100 – 1000 = -900
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\left(27-514\right)-\left(486-73\right)\)
= \(27-514-486+73\)
= \((27+73)+(-514-486)\)
= \(100-1000\)
= \(900\)
(27-514) -(486 -73)
=27-514-486+73
= (27 + 73 ) - (514+486)
=100-1000= -900
Chúc bạn học tốt
![](https://rs.olm.vn/images/avt/0.png?1311)
\(6x-5\left(x-7\right)=\left(27-514\right)-\left(486-73\right)\)
\(\Leftrightarrow6x-5x+35=27-514-486+73\)
\(\Leftrightarrow x=27-514-486+73-35\)
\(\Leftrightarrow x=-935\)
![](https://rs.olm.vn/images/avt/0.png?1311)
= 27 + 514 - 486 + 73
=(27 + 73) +(514 - 486 )
= 100 + 28 =128
(27+514)-(486-73)
=541-413
=128
mình trước nha
![](https://rs.olm.vn/images/avt/0.png?1311)
-7624 + ( 1543 + 7624 )
= -7624 + 1543 + 7624
= ( -7624 + 7624 ) + 1543
= 0 + 1543
= 1543
( 27 - 514 ) - ( 486 - 73 )
= 27 - 514 - 486 + 73
= ( 27 + 73 ) - ( 514 + 486 )
= 100 - 1000
= -900
-7624 + ( 1543 + 7624 )
= ( -7624 + 7624 ) + 1543
= 0 + 1543
= 1543
( 27 - 514 ) - ( 486 - 73 )
= ( -487 ) - 413
= -900
![](https://rs.olm.vn/images/avt/0.png?1311)
(27+514)-(486-73)
=27+514-486+73
=(27+73)+(514-486)
=100+28=128
Chúc bạn học tốt!
#Huyền#
(27+514)-(486-73)
=27+514-486+73
=(27+73)-(514+486)
=100-1000
=-900
![](https://rs.olm.vn/images/avt/0.png?1311)
( 27 + 514 ) - ( -486 - 73 )
= 27 + 514 + 486 + 73
= ( 27 + 73 ) + ( 514 + 486 )
= 100 + 1000
= 1100
(27+514)-(486-73)
=(27+73)+(514-486)
=100+28
=128