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anonymous

  • 5 years ago

the number 1234/9999 can be written in decimal form. What is the 29th decimal place? (please explain)

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  1. anonymous
    • 5 years ago
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    are you allowed to use a calculator?

  2. anonymous
    • 5 years ago
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    yup

  3. anonymous
    • 5 years ago
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    okay show me what you get when dividing 1234 by 9999?

  4. anonymous
    • 5 years ago
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    0.123412341

  5. anonymous
    • 5 years ago
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    what comment would you give about this number? can you notice anything?

  6. anonymous
    • 5 years ago
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    yup the 1234 is being repeated

  7. anonymous
    • 5 years ago
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    exactly. so it's repeating itself after each four digits.

  8. anonymous
    • 5 years ago
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    now you can just write all the number till you reach the 29th decimal place, which would not be difficult in this case.

  9. anonymous
    • 5 years ago
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    but there is another way, that's similar to what we did with the hours question.

  10. anonymous
    • 5 years ago
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    so what way do you prefer to use?

  11. anonymous
    • 5 years ago
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    both are easy and straight forward.

  12. anonymous
    • 5 years ago
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    do we times the 1234 by 29?

  13. anonymous
    • 5 years ago
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    no no

  14. anonymous
    • 5 years ago
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    4 times 29? :S

  15. anonymous
    • 5 years ago
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    since its repeating itself after each 4 digits, and you're looking for the 29th decimal place. divide 29 by 4 ( tell me the integer quotient and the reminder)

  16. anonymous
    • 5 years ago
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    I mean when you divide 29 between 4 people, how much will each one get and what's the left over?

  17. anonymous
    • 5 years ago
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    each gets 7 and left over would be 25 :s ?

  18. anonymous
    • 5 years ago
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    are you sure about your left over? all you have is 29 :)

  19. anonymous
    • 5 years ago
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    i put 29 devided by 3 and i got 7.25 :S

  20. anonymous
    • 5 years ago
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    okay you mean by 4, it would be easier if you didn't use a calculator. but this is fine. your reminder is 0.25*4=?

  21. anonymous
    • 5 years ago
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    1

  22. anonymous
    • 5 years ago
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    no no no srry

  23. anonymous
    • 5 years ago
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    why? it's right.

  24. anonymous
    • 5 years ago
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    oh .. ok :D

  25. anonymous
    • 5 years ago
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    now we have 29/4= 7 and reminder 1.. that says that the 4 decimal digits will be repeated "7 times" and it will be back to the "1st digit" in the 29th digit. so what is the 29th decimal digit?

  26. anonymous
    • 5 years ago
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    1 ?

  27. anonymous
    • 5 years ago
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    yeah that's right. what if it's asking about the 30th decimal digit?

  28. anonymous
    • 5 years ago
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    2 ?

  29. anonymous
    • 5 years ago
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    exactly.. what if it's asking about the 61st decimal digit? take your time!

  30. anonymous
    • 5 years ago
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    4?

  31. anonymous
    • 5 years ago
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    why 4?

  32. anonymous
    • 5 years ago
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    cz i counted till i got to 61 and i landed on 4 :S is it wrong?

  33. anonymous
    • 5 years ago
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    the point is at the reminder of 61/4?

  34. anonymous
    • 5 years ago
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    if you can't directly figure out the reminder, you just multiply the decimal part by 4 to get the reminder.

  35. anonymous
    • 5 years ago
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    61/4=15.25, then the reminder is?

  36. anonymous
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    1?

  37. anonymous
    • 5 years ago
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    yeah, and so the 61st decimal digit is?

  38. anonymous
    • 5 years ago
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    1 ?

  39. anonymous
    • 5 years ago
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    that's right. :) I suck at teaching, don't I? :(

  40. anonymous
    • 5 years ago
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    lool are u kidding?!?! ur better than my teacher ! xD! i actually thought u were a teacher for a minute :S are u in university ?

  41. anonymous
    • 5 years ago
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    lol I don't think you're serious.. yeah in university.

  42. anonymous
    • 5 years ago
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    no for real ! u would be a great math teacher :D what are u studying ?

  43. anonymous
    • 5 years ago
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    math :)

  44. anonymous
    • 5 years ago
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    lol there u go then :) that explains everything then xD!

  45. anonymous
    • 5 years ago
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    well actually I just transferred to mathematics this semester, I was studying electrical engineering.

  46. anonymous
    • 5 years ago
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    nice ... most Arabs study engineering anyway :P

  47. anonymous
    • 5 years ago
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    they do?

  48. anonymous
    • 5 years ago
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    yea :S ! holy man u should come see our universities here -.-! u ask an arab wat r u studying they be like ENGINEERING! and im like yea i guessed :P

  49. anonymous
    • 5 years ago
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    OH I didn't know that at all.

  50. anonymous
    • 5 years ago
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    lol oh well its for a good cause any way cz most canadians dont like engineering so we tend to balance them out :P

  51. anonymous
    • 5 years ago
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    haha.. you see you're good at math!

  52. anonymous
    • 5 years ago
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    i am? how? :S

  53. anonymous
    • 5 years ago
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    you understand the balance principle :P

  54. anonymous
    • 5 years ago
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    lool well i was just assuming :P

  55. anonymous
    • 5 years ago
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    have you ever been to Palestine?

  56. anonymous
    • 5 years ago
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    nope i was born in syria

  57. anonymous
    • 5 years ago
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    I see.. I hope one day we all can go there!

  58. anonymous
    • 5 years ago
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    im going though next year inshallah :)

  59. anonymous
    • 5 years ago
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    you can, but I can't :(.. you have a Canadian citizenship right?

  60. anonymous
    • 5 years ago
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    yup

  61. anonymous
    • 5 years ago
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    but y do u want to go so bad though? lol r u from palestine too ?

  62. anonymous
    • 5 years ago
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    no.. I am Saudi :)

  63. anonymous
    • 5 years ago
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    thats a pleasure :)

  64. anonymous
    • 5 years ago
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    i have a question :D

  65. anonymous
    • 5 years ago
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    the pleasure is all mine.. sure ask away.

  66. anonymous
    • 5 years ago
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    so i have here a square thats perimeter is 20 cm and its inside a bigger square thats perimeter is 28 cm how do i find the area of the space between them :S

  67. anonymous
    • 5 years ago
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    here let me draw it :S

  68. anonymous
    • 5 years ago
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    haha.. the area between them is equal to the area of the big square minus the area of the smal one.

  69. anonymous
    • 5 years ago
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    can you find the area of each square?

  70. anonymous
    • 5 years ago
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    i have to find the area of the shaded part here i sent it

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  71. anonymous
    • 5 years ago
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    excuse my silly drawing :$

  72. anonymous
    • 5 years ago
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    lol

  73. anonymous
    • 5 years ago
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    are they both squares?

  74. anonymous
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    yes :S

  75. anonymous
    • 5 years ago
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    okay.. what does the area of a square equal to?

  76. anonymous
    • 5 years ago
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    u mean L x W ?

  77. anonymous
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    it's a square right?

  78. anonymous
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    so the length is equal to the width, tight?

  79. anonymous
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    yea so its base x height

  80. anonymous
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    no, it's x times x

  81. anonymous
    • 5 years ago
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    you multiply one side by itself, that's the area of a square.

  82. anonymous
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    yea thats wat i meant :P

  83. anonymous
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    okay good :).. now you need to find the length of one side (that's the same as all other sides).

  84. anonymous
    • 5 years ago
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    so thats 28/4 = 7 for the big square and 20/4=5 for the small square

  85. anonymous
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    exactly..

  86. anonymous
    • 5 years ago
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    so the area of the big square would be?

  87. anonymous
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    and that means that the area of the small square is 25 cm2 and the big square = 28cm2 ?

  88. anonymous
    • 5 years ago
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    no no no

  89. anonymous
    • 5 years ago
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    ahan?

  90. anonymous
    • 5 years ago
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    big square = 49 am2

  91. anonymous
    • 5 years ago
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    amazing!!

  92. anonymous
    • 5 years ago
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    cm!!

  93. anonymous
    • 5 years ago
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    LOL!

  94. anonymous
    • 5 years ago
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    then the area between them is?

  95. anonymous
    • 5 years ago
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    24

  96. anonymous
    • 5 years ago
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    are you sure you're not cheating? :P

  97. anonymous
    • 5 years ago
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    woooow u think im that bad at math D:

  98. anonymous
    • 5 years ago
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    HAHA.. NO I was just kidding

  99. anonymous
    • 5 years ago
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    lol! u better be :)

  100. anonymous
    • 5 years ago
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    yes I am << totally scared :P

  101. anonymous
    • 5 years ago
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    MAUAHAHAH! >:)!

  102. anonymous
    • 5 years ago
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    seriously, that was pretty good!

  103. anonymous
    • 5 years ago
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    thank you :D !

  104. anonymous
    • 5 years ago
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    it's 1:12 am in Canada, don't you have classes tomorrow?

  105. anonymous
    • 5 years ago
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    yes but i take long naps and drink alot of coffee to stay awake longer :P

  106. anonymous
    • 5 years ago
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    lol!! why is that? sleep is a gift.. whenever you feel sleepy, just lie down and get some sleep.

  107. anonymous
    • 5 years ago
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    but i dont feel sleepy at night i only get sleepy in the afternoons :S

  108. anonymous
    • 5 years ago
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    i woke up at 8 pm

  109. anonymous
    • 5 years ago
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    wow.. your schedule is messed up.:P

  110. anonymous
    • 5 years ago
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    nah im used to it :P if i dont get my nap i pass out at 10 PM

  111. anonymous
    • 5 years ago
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    I was just talking to a friend from Toronto, he just left a couple of minutes ago from MSN.

  112. anonymous
    • 5 years ago
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    yea my whole family is asleep except for me and my bro and mi mama :P

  113. anonymous
    • 5 years ago
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    lol you all are awake then :P

  114. anonymous
    • 5 years ago
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    not all my mom just left and mi bro wont be goin to sleep till 2 or 3 but mi dad and sis's are all sleeping :P

  115. anonymous
    • 5 years ago
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    I see!! should I think that you're the kind of student who sleeps in class? << I know I am asking too much :P

  116. anonymous
    • 5 years ago
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    LOL i cant sleep in class my friends would be takin pictures as soon as they see me sleeping -.-! no way thats gona happen xD!

  117. anonymous
    • 5 years ago
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    you don't sleep in class not because you want to focus on what your teacher says, but rather because you worry about your friends may take pictures of you.. not bad I guess. the result still the same :P

  118. anonymous
    • 5 years ago
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    sometimes sleeping in class feels so good, you should try it sometimes (away from your friends) if that's possible.

  119. anonymous
    • 5 years ago
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    lol im too smart for those teachers ^_^ ... just not the math once .. v.v

  120. anonymous
    • 5 years ago
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    yea maybe i should :P

  121. anonymous
    • 5 years ago
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    mashallah.. I thought so!

  122. anonymous
    • 5 years ago
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    hehe

  123. anonymous
    • 5 years ago
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    arghhh ! i drank too much coffee :'( cant sleep cant even think straight! -.-

  124. anonymous
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    I didn't get enough sleep either.. only 3 hours!

  125. anonymous
    • 5 years ago
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    :O! for the whole day?!

  126. anonymous
    • 5 years ago
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    it's 8:37 AM.. I will get 2 more hours from 1 PM to 3 PM.. and that's it for today I guess.

  127. anonymous
    • 5 years ago
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    woow! how are u gona make it for the rest of the day?

  128. anonymous
    • 5 years ago
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    I will survive..

  129. anonymous
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    good luck "surviving" :)

  130. anonymous
    • 5 years ago
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    thank you!! good luck to you as well, we are in the same boat. :)

  131. anonymous
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    haha what a coincidence!

  132. anonymous
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    Well most people have sleeping issues I guess.

  133. anonymous
    • 5 years ago
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    mhm! anyways im gonna try my best ill read a few chapters till i get sleepy it was nice talkin to u thx for all the help :)

  134. anonymous
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    you're welcome!! nice talking to you as well.. good luck "getting sleepy" :)

  135. anonymous
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    haha thx :P yalla good night

  136. anonymous
    • 5 years ago
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    salam

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