(36 + 79) + (145 – 79 – 36)
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a: \(-7264+\left(1543+7264\right)\)
\(=-7264+1543+7264\)
\(=\left(-7264+7264\right)+1543\)
=0+1543
=1543
b: \(\left(144-97\right)-144\)
\(=144-97-144\)
\(=\left(144-144\right)-97\)
=0-97
=-97
c: \(\left(-145\right)-\left(18-145\right)\)
\(=-145-18+145\)
\(=\left(-145+145\right)-18\)
=0-18
=-18
d: \(111+\left(-11+27\right)\)
\(=\left(111-11\right)+27\)
=100+27
=127
e: \(\left(27+514\right)-\left(486-73\right)\)
\(=27+514-486+73\)
\(=\left(27+73\right)+\left(514-486\right)\)
\(=100+28=128\)
f: \(\left(36+79\right)+\left(145-79-36\right)\)
\(=36+79+145-79-36\)
\(=\left(36-36\right)+\left(79-79\right)+145\)
=0+0+145
=145

1) - 7264 + ( 1543 + 7264 )
= ( - 7264 + 7264 ) + 1543
= 0 + 1543
= 1543
2) ( 144 - 97 ) - 144
= ( 144 - 144 ) - 97
= 0 - 97
= - 97
3) ( - 145 ) - ( 18 - 145 )
= ( - 145 + 145 ) - 18
= 0 - 18
= - 18
4) 111 - ( - 11 + 107 )
= ( 111 + 11 ) + 107
= 122 + 107
= 229
5) ( 27 + 514 ) - ( 486 - 73 )
= ( 27 + 73 ) + ( 514 - 486 )
= 100 + 28
= 128
6) ( 36 + 79 ) + ( 145 - 79 - 36 )
= ( 36 - 36 ) + ( 79 - 79 ) + 145
= 0 + 0 + 145
= 145
1) - 7264 + ( 1543 + 7264 )
= ( - 7264 + 7264 ) + 1543
= 0 + 1543
= 1543
2) ( 144 - 97 ) - 144
= ( 144 - 144 ) - 97
= 0 - 97
= - 97
3) ( - 145 ) - ( 18 - 145 )
= ( - 145 + 145 ) - 18
= 0 - 18
= - 18
4) 111 - ( - 11 + 107 )
= ( 111 + 11 ) + 107
= 122 + 107
= 229
5) ( 27 + 514 ) - ( 486 - 73 )
= ( 27 + 73 ) + ( 514 - 486 )
= 100 + 28
= 128
6) ( 36 + 79 ) + ( 145 - 79 - 36 )
= ( 36 - 36 ) + ( 79 - 79 ) + 145
= 0 + 0 + 145
= 145

Câu 1 : -123 + 77 + ( - 257 ) + 23 - 43
= ( -123 + 23 ) + ( -257 + 77 ) - 43
= -100 + ( -180 ) - 43
= -280 - 43
= -323
Câu 2 : ( 36 + 79 ) + ( 145 - 79 - 36 )
= 36 + 79 + 145 - 79 - 36
= ( 36 - 36 ) + ( 79 - 79 ) + 145
= 0 + 0 + 145
= 145
Câu 1 : ( -123) + 77 + (-257) + 23 - 43 =
= [ (-123) +23 ] + [ (-257) - 43 ) + 77
= (-100) + (-300) + 77
= (-400) + 77
= -323
Câu 2 : ( 36 + 79 ) + ( 145 - 79 - 36 ) =
= 36 + 79 + 145 - 79 - 36
= ( 36 - 36 ) + ( 79 - 79 ) + 145
= 0 + 0 + 145
= 145
Học tốt nhé###

a ) 159 − 524 − 59 − 424 ; = 159 − 524 − 59 + 424 = 159 − 59 − 524 − 424 = 100 − 100 = 0 b ) 36 + 79 + 145 − 79 − 36 ; = 36 + 79 + 145 − 79 − 36 = 36 − 36 + 79 − 79 + 145 = 145 c ) 334 − 117 + 234 + 42 + 117 ; = 334 − 117 − 234 + 42 + 117 = 334 − 234 − 117 − 117 + 42 = 100 + 42 = 142 d ) 271 − − 43 + 271 − − 17 . = 271 − − 43 + 271 + 17 = 271 + 43 − 271 − 17 = 271 − 271 + 43 − 17 = 26

a) (27+514)-(486-73)
=27+514-486+73
=541-486+73
=55+73
=128
b) (36+79)+(145-79-36)
=36+79+145-79-36
=115+145-79-36
=260-79-36
=181-36
=145
c) 10-[12-(-9-1)]
=10-12+(-9)+(-1)
=(-2)+(-9)+(-1)
=(-11)+(-1)
=-12
tick nha bạn

a. 111 + (-11 + 27)
= 111 - 11 + 27
= 100 + 27
= 127
b. (27 + 514) - (486 - 73)
= 27 + 514 - 486 + 73
= (27 + 73) + (514 - 486)
= 100 + 28
= 128
c. (36 + 79) + (145 - 79 - 36)
= 36 + 79 + 145 - 79 - 36
= (36 - 36) + (79 - 79) + 145
= 0 + 0 + 145
= 145
a/ = 111+(-11)+27
tự tính
b/ 27+514 - 486+73
tự tính
c/ 36 + 79 + 145 - 79 - 36
tick mk nha bn

( 36 + 79 ) + ( 145 - 79 - 36 )
= 115 + ( 66 - 36 )
= 115 + 30
= 145
10 - [ 12 - ( - 9 - 1 ) ]
= 10 - [ 12 - ( - 10 ) ]
= 10 - 22
= - 12
( 38 - 29 + 43 ) - ( 43 + 38 )
= ( 9 + 43 ) - 81
= 52 - 81
= - 29
271 - [ ( 43 ) + 271 - ( - 17 ) ]
= 271 - [ 314 - ( - 17 ) ]
= 271 - 331
= - 60
- 144 - [ 29 - ( + 144 ) - ( + 144 ) ]
= - 144 - [ ( - 115 ) - ( + 144 ) ]
= - 144 - ( - 259 )
= 115
(36+79)+(145-79-36)
=115+30
=145
10-[12-(-9-1)]
=10-22
=-12
(38-29+43)-(43+38)
=52-81
=(-29)
271-[(43)+271-(17)]
=271-297
=(-26)
-144-[29-(+144)-(+144)
=-144-(-259)
=115

a: \(\left(24-234\right)+\left(234-24-77\right)\)
\(=24-234+234-24-77\)
\(=\left(24-24\right)+\left(234-234\right)-77\)
=0+0-77
=-77
b: \(\left(13-135+49\right)-\left(13+49\right)\)
\(=13-135+49-13-49\)
\(=\left(13-13\right)+\left(49-49\right)-135\)
=0+0-135
=-135
c: \(159-524-\left(59-424\right)\)
\(=159-524-59+424\)
\(=\left(159-59\right)-\left(524-424\right)\)
=100-100
=0
d: \(\left(36+79\right)+\left(145-79-36\right)\)
\(=36+79+145-79-36\)
\(=\left(36-36\right)+\left(79-79\right)+145\)
=0+0+145
=145
e: \(334-\left(117+234\right)+\left(42+117\right)\)
\(=334-117-234+42+117\)
\(=\left(334-234\right)+\left(117-117\right)+42\)
=100+0+42
=142
f: \(271-\left[\left(-43\right)+271-\left(-17\right)\right]\)
\(=271+43-271+\left(-17\right)\)
\(=\left(271-271\right)+\left(43-17\right)\)
=0+26
=26

1; - 7264 + (1543 + 7264)
= - 7264 + 1543 + 7264
= (-7264 + 7264) + 1543
= 0 + 1543
= 1543
2; (144 - 97) - 144
= 144 - 97 - 144
= (144 - 144) - 97
= 0 - 97
= - 97

1; - 7264 + (1543 + 7264)
= - 7264 + 1543 + 7264
= (-7264 + 7264) + 1543
= 0 + 1543
= 1543
2; (14497) - 144
= 14497 - 144
= 14353
3; (-145).(18145)
= -145.18145
= -2631025
4; 111 + (-11 + 27)
= 111 + 16
= 127
BẰNG 145 NHA K NHÉ
(36 + 79) + (145 – 79 – 36)
= 36 + 79 + 145 - 79 - 36
= ( 36 - 36 ) + ( 79 - 79 ) + 145
= 0 + 0 + 145
= 145
Hok tốt