Số 0 sai rồi 12^x không bao giờ có số tận cùng là 0 đâu

10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000+2000000000000000000000000000000000999999999999999999999999999999999999999999999999999999999999999999999999999999999999444444444444444444444444444444444444444477777777777777777777777777777777777777777777777777772222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222299999999999999999999999999999922222222222222222222222222222222222222222999999999999922222222222222999999999999222222222222999999999999222222222229999999999992222222222=?

a/ x = 118

b/ x = 134

c/ 54x - 44 = 12457986

=> 54x = 12458030

=> x = 230704,2593

Smile thèm l i k e

ai trả lời được láy làm cụ

1abc x 2 = abc8

( 1000 + abc ) x 2 = abc x 10 + 8

2000 + abc x 2 = abc x 10 + 8

1992 = abc x 8 ( bớt mỗi vế đi abc x 2 và 8 )

abc = 1992 : 8

abc = 249

=> abc = 249

1abc.2=abc8

<=>(1000+abc).2=(abc.10)+8

<=>2000+2.abc=10.abc+80

<=>10.abc-2.abc=2000-80

<=>8.abc=1920

<=>abc=240

tìm x 

a)...đề

56;x=1524

x=1524/6

x=...

a)<

b)>

c)<

Tìm x

a)X x 6  =3048:2

X        =3048:2:6

X       =254

B)56 :X =1326-1318

  56 :X  =8

 X        =56:8

 X        =7

\(100-3\times\left(y+8\right)=1.\)

\(3\times\left(y+8\right)=99\)

y+8 = 33

y = 25