=346x100=34600

=346x(28+71)

=346x99

=34254

= 346 x (28 + 71)

= 346 x 99

= 34254

a) x = 200.

b) x = 70.

c) x = 0.

d) x = 0.

a) x = 200.

b) x = 70.

c) x = 0.

d) x = 0.

a) x = 200

b) x = 70

c) x = 0

d) x = 0

\(\left(x+5\right)-11=2^3\)
\(x+5=2^3+11=19\)
\(x=19-5=14\)

\(\left(x+5\right)-11=2^3\\ \left(x+5\right)=8+11\\ x+5=19\\ x=19-5\\ x=14\)

( x + 5 ) - 11 = 2³ = 8

x + 5 = 8 + 11 = 19

=> x = 14

a/=256x(82+18)

=256x100

=25600

b/211x(56+43+1)

=211x100=21100

a) \(\dfrac{5}{8}-\left(x+\dfrac{3}{4}\right)=\dfrac{7}{6}\)

     \(-x-\dfrac{3}{4}=\dfrac{13}{24}\)

    \(-x=\dfrac{31}{24}\)

\(\Rightarrow x=\dfrac{-31}{24}\)

b) \(\left(x-\dfrac{3}{4}\right)+\dfrac{3}{2}=\dfrac{11}{3}\)

    \(x-\dfrac{3}{4}=\dfrac{13}{6}\)

    \(x=\dfrac{35}{12}\)

c) \(\left(x+\dfrac{1}{2}\right)-\dfrac{5}{8}=2\)

    \(x+\dfrac{1}{2}=\dfrac{21}{8}\)

    \(x=\dfrac{17}{8}\)

d) \(\dfrac{11}{2}-\left(\dfrac{4}{5}+x\right)=2-\dfrac{1}{3}\)

    \(\dfrac{11}{2}-\left(\dfrac{4}{5}+x\right)=\dfrac{5}{3}\)

    \(-\dfrac{4}{5}-x=\dfrac{-23}{6}\)

    \(-x=\dfrac{-91}{30}\)

\(\Rightarrow x=\dfrac{91}{30}\) 

`5/8-(x+3/4)=7/6`

`=> x+3/4 = 5/8 -7/6`

`=> x+3/4 = -13/24`

`=>x= -13/24 -3/4`

`=>x= -13/24 - 18/24`

`=>x= -31/24`

`-----------`

`(x-3/4)+3/2+11/3`

`=11/3` hả bn?

`----------`

`(x+1/2)-5/8=2`

`=>x+1/2=2+5/8`

`=>x+1/2= 16/8+5/8`

`=> x+1/2=21/8`

`=>x=21/8-1/2`

`=>x= 21/8 - 4/8`

`=>x= 17/8`

`---------`

`11/2-(4/5+x)=2-1/3`

`=> 11/2-(4/5+x)=6/3-1/3`

`=> 11/2-(4/5+x)=5/3`

`=>4/5+x=11/2-5/3`

`=>4/5+x=23/6`

`=>x=23/6-4/5`

`=>x= 91/30`

`(x-3/4) + 3/2 =11/3`

`=>x-3/4=11/3-3/2`

`=>x-3/4=13/6`

`=>x= 13/6 + 3/4`

`=>x= 35/12`

346 : 10 + 346 x 0,9

= 346 x 0,1 + 346 x 0,9

= 346 x (0,1 + 0,9)

= 346 x 1

= 346

346 nha

=346.(0,1+0,9)

=346.1

=346

346 : 10 + 346 x 0,9

= 346 x 0,1 + 346 x 0,9

= 346 x (0,1 + 0,9)

= 346 x 1

= 346

346 : 10 + 346 x 0,9

= 346 x ( 0,1+0,9 )

=346 x 1

= 346