785-954 = ... cảm ơn

e , 12 x 35 + 35 x 182 - 35 x 94 
=    35 x ( 12 + 182 - 94 )
=    35 x       100
=         3500.

n , 19 x 27 + 47 x 81 + 19 x 20
=   19 x 27 + 19 x 20 + 47 x 81 
=   19 x ( 27 + 20 ) + 47 x 81
=   19 x        47      + 47 x 81
=    47 x ( 19 + 81 )
=    47 x     100
=       4700. 
T I C K cho mik nha !
~ HT ~      

=35.(12+182-94)

=35.100

=3500

=35x(12+182-94)=35x100=3500

=35*[12+182-94]

=35*100

=3500

`@` `\text {Ans}`

`\downarrow`

`A)`

`37 \times 46+37 \times 51+111`

`= 37 \times (46+51)+111`

`= 37 \times 97+111`

`= 3589 +111`

`= 3700`

`B)`

`35 \times 215-35 \times 210-175`

`= 35 \times (215-210)-175`

`= 35 \times 5-175`

`= 175-175=0`

`E)`

`76 \times 102-76 \times 2`

`= 76 \times (102-2)`

`= 76 \times 100`

`= 7600`

`C)`

`85 \times 94+85 \times 2 +170 \times 2`

`= 85 \times (94+2) + 170 \times 2`

`= 85 \times 96+170 \times 2`

`= 8160+340`

`= 8500`

`48 \times 56+28 \times 104`

`= 48 \times 28 \times 2+28 \times 104`

`= 28 \times (48 \times 2+104)`

`= 28 \times (96+104)`

`= 28 \times 200`

`= 5600`

`G)`

`206 \times 12-206-206`

`= 206 \times (12-1-1)`

`= 206 \times 10`

`= 2060`

a) 37 x 46 + 37 x 51 + 111

= 37 x ( 46 + 51 ) + 111

= 37 x 97 + 111

= 3589 + 111

= 3700

b) 35 x 215 - 35 x 210 - 175

= 35 x ( 215 - 210 ) - 175

= 35 x 5 - 175

= 175 - 175

= 0

e) 76 x 102 - 76 x 2

= 76 x ( 102 - 2 )

= 76 x 100

= 7600

c) 85 x 94 + 95 x 2 + 170 x 2

= 7990 + 2 x ( 95 + 170 )

= 7990 + 2 x 265

= 7990 + 530

= 8520

48 x 56 + 28 x 104

= 2688 + 2912

= 5600

g) 206 x 12 - 206 - 206

= 2472 - 206 - 206

= 2266 - 206

= 2060

\(12\cdot85+35\cdot182-35\cdot94\)

\(=6\cdot2\cdot5\cdot17+7\cdot5\cdot2\cdot91-7\cdot5\cdot2\cdot47\)

\(=10\cdot\left(6\cdot17+7\cdot91-7\cdot47\right)\)

\(=10\cdot410=4100\)

= 12*85+ 35*(182-94)

= 12*85+ 35*88

=1020+3080

=4100

 study well

các bạn giúp mình lên 100sp nhé

a, 12 x 35 +35 x 182- 35 x 94

= 35 x ( 12 + 182 - 94 )

= 35 x 100

= 3500

b, 17 x 93 + 116 x 83 + 17 x 23

= 17 x ( 93 +23  ) + 116 x 83

= 17 x 116 + 116 x 83

= 116 x ( 83+17)

= 116 x 100

= 11600

12 . 35 + 35 . 182 - 35 . 94

= 35 . ( 12 + 182 - 94)

= 35 . 100

= 3500

12. 35 + 35. 182 - 35. 94

= 35.(12+182-94)

=35.100=3500

\(12\times35+35\times182-35\times94\)

\(=35\times\left(12+182-94\right)\)

\(=35\times\left(194-94\right)\)

\(=35\times100\)

\(=3500\)

(5 + 6 + 11 - 41) x (1 + 2 + 3 + ... + 100)

= [(5 + 6)  - (11 - 41)] x (1 + 2 +...+ 100)

= [11 - 30 ] x (1 + 2 + ... + 100)

= - 19 x (1 + 2 +...+ 100)

Lớp 5 chưa học số âm.

        12 x 85 + 35 - 182 - 35 x 94

    =  1020 - 35 x (94 - 1) - 182

   = 1020 - 35 x 93 - 182

  = 1020 - 3255 - 182

  = - 2235 - 182

= - 2417

Lớp 5 chưa học số âm 

   2 x 31 x 12 + 4 x 6 + 42 + 8 x 27 x 3

= 24 x 31 + 24 + 42 + 24 x 27

= 24 x (31 + 1 + 27) + 42

= 24 x 59 + 42

= 1458

Trình bày chi tiết ra được không?