x.24=3027+2589

x.24=5616

x     =5616:24

x     =234

Hình như câu 2 sai đề

134260 : x = 13230 : 54

=>134260:x=245

=>x=548

( x + 268) x 137 = 48498

x + 268 = 48498 : 137

x + 268 = 354

x = 354 - 268

x  = 86

( 2043 -x ) x 84 = 132552

 2043 -x =  132552 : 84

 2043 -x = 1578

x =  2043 -  1578

x = 465

(x+268)x137=48498

=>(x+268)=48498:137

=>(x+268)=354

=>x=86

\(\left(x+268\right).137=48498\)

\(\Leftrightarrow x+268=48498:137\)

\(\Leftrightarrow x+268=354\)

\(\Leftrightarrow x=354-268\)

\(\Leftrightarrow x=86\)

b) \(\left(x+3217\right):215=348\)

\(\Leftrightarrow x+3217=348.215\)

\(\Leftrightarrow x+3217=74820\)

\(\Leftrightarrow x=74820-3217\)

\(\Leftrightarrow x=71603\)

c) \(\left(x-2048\right):145=246\)

\(\Leftrightarrow x-2048=246.145\)

\(\Leftrightarrow x-2048=35670\)

\(\Leftrightarrow x=35670+2048\)

\(\Leftrightarrow x=37718\)

d) \(\left(2043-x\right).84=132552\)

\(\Leftrightarrow2043-x=132552:84\)

\(\Leftrightarrow2043-x=1578\)

\(\Leftrightarrow x=2043-1578\)

\(\Leftrightarrow x=465\)

e) \(x.124+5276=48304\)

\(\Leftrightarrow x.124=48304-5275\)

\(\Leftrightarrow x.124=43028\)

\(\Leftrightarrow x=43028:124\)

\(\Leftrightarrow x=347\)

\(\Leftrightarrow2043-x=1578\)

a) ( x + 268 ) x 137 = 48498

     ( x + 268 )          = 48498

        x + 268            = 354

        x                       = 354 - 268

          x                     = 86

a) 86

b) 71603

c) 37718

d) 465

e) 347

-5<0<1/63

-101/-100=101/100>1>200/201

1/17>1/27>3/83

135/136=1+(1/136)>1+(1/137)=136/137

-371/459<0<-371/-459

267/-268>-1>-1347/1343

-13/38<-1/3<29/-88

-18/31=\(\frac{-18.10101}{31.10101}=\frac{-181818}{313131}\)

5 > 1/63

101/-100 < 200/201

1/17 > 3/83

135/136 < 136/137

-371/459 < -371/-459

267/-268 > -1347/1343

-13/38 < 29/-88

-18/31 = -181818/313131

Sửa đề: \(\left(46\times369+46\right)-\left(268\times45+268\right)\)

\(=46\times\left(369+1\right)-268\times\left(45+1\right)\)

\(=46\times\left(370-268\right)\)

\(=46\times102\)

\(=4692\)

[ y + 268 ] x 268 = 4849

y + 268 = 4849 : 268

y + 268 = 4849/268

y           = 4849/268 -268

y           = -294.9067164

Đề bài sai rồi

có bị sai đâu

137 x 82 + 137 x 9 + 137 x 8 + 137 = 13700

  137 x 82 + 137 x 9 + 137 x 8 + 137

= 137 x ( 82 + 9 + 8 + 1 )

= 137 x 100

= 13700

 137 x 82 + 137 x 9 + 137 x 8 + 137 = 13700

giúp mình với

a] -567 + 113 - 113567 - 2011

   = -454 - 113567 - 2011

   = -114021 - 2011= -116032

B] -137 x [52 + 47+1]

    = -137 x 100

    = -13700

C] 15 x [16 - 222] - 16 x [222 + 15] 

   = 15 x [-206] - 16 x 237

   =  -3090 - 3792

   =  -6882

137 x ( 13 - 3 ) = 137 x 10 = 1370

137 x ( 13 - 3 ) = 137 x 10 = 1370

137 x ( 13 - 3 )

= 137 x 10

= 1370

~HT~