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a: \(-59+71-\left\{-83-\left(95\right)\right\}\)
\(=71-59+81+95\)
\(=12+81+95\)
\(=93+95=188\)
b: \(-257-\left\{\left(-257+156\right)-56\right\}\)
\(=-257-\left(-257+156-56\right)\)
\(=-257-\left(-257+100\right)\)
\(=-257+257-100=-100\)
c: Sửa đề:\(\left(435-167\right)-89-\left(435-89\right)\)
\(=435-167-89-435+89\)
=\(\left(435-435\right)+\left(-89+89\right)-167\)
=0+0-167
=-167
d: \(-329+\left(15-101\right)-\left(25-440\right)\)
\(=-329+15-101-25+440\)
\(=\left(440-329-101\right)+\left(15-25\right)\)
=10-10
=0
e: \(\left(116+124\right)+\left(215-116-124\right)\)
\(=116+124+215-116-124\)
\(=\left(116-116\right)+\left(124-124\right)+215\)
=0+0+215
=215
f: \(4524-\left(864-999\right)-\left(36-999\right)\)
\(=4524-864+999-36+999\)
\(=4524-\left(864+36\right)+999\cdot2\)
\(=4524-900+1998=5622\)
(-7264)+(1543+7264)
=-7264+1543+7264
=(-7264+7264)+1543
=0+1543=1543
(435-167-89)-(435-89)
=435-167-89-435+89
=(435-435)+(-89+89)+(-167)
=0+0+(-167)=-167
(-7264)+(1543+7264)
=(-7264)+1543+7264
=(-7264+7264)+1543
=0+1543
=1542
(435-167-89)-(435-89)
=435-167-89-435+89
=(435-435)+(-89+89)-167
=0+0-167
-167
☠ 
a ) ( 1456 + 323 ) - 1456
= 1456 + 323 - 1456
= ( 1456 - 1456 ) + 323 = 323
b ) ( - 1999 ) - ( - 234 - 1999)
= - 1999 + 234 + 1999
= ( - 1999 + 1999 ) + 234 = 0 + 234 = 234
a.(1456+23)-1456
=1456+23-1456
=(1456-1456)+23
=23
b.(-1999)-(-234-1999)
=-1999-(-234)+1999
=(-1999+1999)-(-234)
=-(-234)
=234
c.(116+124)+(215-116-124)
=116+124+215-116-124
=(166-166)+(124-124)+215
=215
d.(435-167-89)-(435-89)
=435-167-89-435+89
=(435-435)-(89-89)-167
=-167
k for more
#hungB
a) = 1456 + 23 - 1456
= ( 1456 - 1456 ) + 23
= 0 + 23
= 23
b) = ( -1999 ) + 234 + 1999
= ( -1999 + 1999 ) + 234
= 0 + 234
= 234
c) = 116 + 124 + 215 - 116 - 124
= ( 116 - 116 ) + ( 124 - 124 ) + 215
= 0 + 0 + 215
= 215
d) = 435 - 167 - 89 - 435 + 89
= ( 435 - 435 ) + ( -89 + 89 ) - 167
= 0 + 0 - 167
= -167
a: \(\left[\left(-59\right)+71\right]-\left[\left(-83\right)-\left(-95\right)\right]\)
\(=\left[71-59\right]-\left[-83+95\right]\)
=12-12
=0
b: \(\left(435-167-89\right)-\left(435-89\right)\)
\(=435-167-89-435+89\)
\(=\left(435-435\right)+\left(89-89\right)-167\)
=0+0-167
=-167
c: \(\left(-624\right)-\left[\left(376+245\right)-45\right]\)
\(=\left(-624\right)-\left[376+245-45\right]\)
\(=\left(-624\right)-376-200\)
=-1000-200
=-1200