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\(\left(57-725\right)-\left(605-53\right)\)
\(=57-725-605+53\)
\(=\left(57+53\right)-\left(725+605\right)\)
\(=110-1330=-1220\)
(57−725)−(605−53)(57−725)−(605−53)
=57−725−605+53=57−725−605+53
=(57+53)−(725+605)=(57+53)−(725+605)
=110−1330=−1220
![](https://rs.olm.vn/images/avt/0.png?1311)
(57-725)-(605-53)=
(-668)-552=
-1220
tick to nha ban nhe, tick to nha ban nhe, minh dung 1000% luon, tick to di
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57-725-605+53=-1220
55+45+15-15+55-45=110
Ủng hộ mk nhaaa
![](https://rs.olm.vn/images/avt/0.png?1311)
a) -72.17+72.31 - 36 . 228
= -72.17 + 72. 31 - 36.2.114
= -72 .17 + 72 . 31 -72 . 114
= -72. ( 17-31+114)
= -72 . 100
= -7200
b) ..........
= -7 . ( 16-36.9) -(-125)
= -7 . ( 16-324) +125
=-7 . ( -308) +125
= 2156+125
= 2281
![](https://rs.olm.vn/images/avt/0.png?1311)
a) (38-42+14)-(25-27-15)
= 38 - 42 + 14 - 25 + 27+ 15
= -4 + -11+42
= -15+42= 27
b)-(21-32)-(-12+32)
= -21 + 32 - (-12)+32
= 11- ( -12+32)
= 11- 20 =-9
c) (57-725)-(605-53)
= 57-725-605+53
= -668 -605+ 53
=-1273 + 53
= -1220
![](https://rs.olm.vn/images/avt/0.png?1311)
\(1,=38-42+14-25+27+15=27\)
\(2,=12+21-23+21-10=21\)
\(3,=57-725-605+53=-1220\)
\(4,=55+45+15-15+55-45=110\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) -(12+21-23)-(23-21+10)
=-12-21+23-23+21-12=-12-12=-24
b)(57-725)-(605-53)
=57-725-605+53=-1220
c)(55+45+45)-(15-55+45)
=55+45+45-15+55-45=110+45-15=140
-(12+21-23)-(23-21+10)
=-12-21+23-23+21-10
=(21-21)+(23-23)-(12+10)
=0+0-22=-22
(57-725)-(605-53)
=57-725-605+53
=(57+53)-(725+605)
=110-1330
=-1220
(55+45+45)- (15-55+45)
=55+45+45-15+55-45
=(45+55)+(55-15)+(45-45)
=100+40+0=140
![](https://rs.olm.vn/images/avt/0.png?1311)
a) (-13) + (-750) + (-17) + 750
= -763 + (-17) + 750
= -780 + 750
= -30
b) (55 + 45 + 15) - (15 - 55 + 45)
= 115 - 5
= 110
c) (-7) + (-20) + 35 + (-8)
= -27 + 35 + (-8)
= 8 + (-8)
= 0
d) (57 - 725) - (605 - 53)
= -668 - 552
= -1220
Hok tốt, mik nha
kết quả =-1220
phá ngoặc ta có
57 - 725 - 605 + 53
= -668 - 605 + 53
= -1273 + 53
=-1220