tách ra đi bạn -.-'''

để nhiều quá mọi người ngại làm :))

tách ra đi bạn -.-'''

để nhiều quá mọi người ngại làm :))

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: \(4524-\left(864-999\right)-\left(36-999\right)\)

\(=4524-864+999-36+999\)

\(=4524-\left(864+36\right)+999\cdot2\)

\(=4524-900+1998=5622\)

a.624

b.23

c.265

a )624
b) 23
c) 265

a ) ( 1456 + 323 ) - 1456

= 1456 + 323 - 1456

= ( 1456 - 1456 ) + 323 = 323

b ) ( - 1999 ) - ( - 234 - 1999)

= - 1999 + 234 + 1999

= ( - 1999 + 1999 ) + 234 = 0 + 234 = 234

giúp mk với

a ) ( 1456 + 323 ) - 1456

= 1456 + 323 - 1456

= ( 1456 - 1456 ) + 323 = 323

b ) ( - 1999 ) - ( - 234 - 1999)

= - 1999 + 234 + 1999

= ( - 1999 + 1999 ) + 234 = 0 + 234 = 234

P/s tham khảo nha

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

b. 4524-(864-999)-(36+3999)

  = 4524-864+999-36-3999

  =  3660+999-36-3999

  = 3660 +339+660-36-3999

  =3999+660-36-3999

  = (3999-3999)+(660-36)

  = 0 + 624=624

<-- móc ra đút vô mồm

 .

a)3752-(29-3632)-51

=3752+(-29)+3632-51

 =[3752+3632]-(29+51)

 =120-80

=40

b) 4524-(864-999)-(36+3999)

=4524-864+999-36-3999

=(4524-864)-(3999-999)-36

=3660- 3000-36

=660-36

=624

c)100 - (137 +572) + (263 -291)=-637

giải chi tiết cho mình nha 

a,A=3752-(29-3632)-51

   A=3752-(-3603)-51

   A= -7304

b,B=4524-(864-999)-(36+3999)

   B=4524-(-135)-4035

   B=624

c,100-(137+572)+(263-291)

  =100-709+(-28)

  =-609+(-28)

  =-637