Simplification Practice Question and Answer

Q:

рдирд┐рд░реНрджреЗрд╢: рдкреНрд░рд╢реНрди рдЪрд┐рд╣реНрди (?) рдХреЗ рд╕реНрдерд╛рди рдкрд░ рдХреНрдпрд╛ рдЖрдпреЗрдЧрд╛?

$$ {1\over 8}├Ч(223+?)=71$$

1196 0

  • 1
    342
    Correct
    Wrong
  • 2
    346
    Correct
    Wrong
  • 3
    345
    Correct
    Wrong
  • 4
    348
    Correct
    Wrong
  • 5
    рдЗрдирдореЗрдВ рд╕реЗ рдХреЛрдИ рдирд╣реАрдВ
    Correct
    Wrong
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  • Workspace

Answer : 3. "345"

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  • Workspace

Answer : 1. "780 "

Q:

[(169├Ч121)├╖(11├Ч13)]-3=?.

1145 0

  • 1
    135
    Correct
    Wrong
  • 2
    140
    Correct
    Wrong
  • 3
    137
    Correct
    Wrong
  • 4
    143
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "140"

Q:

$$ {\sqrt{784}} ├Ч \sqrt{6.25} + 56\%\ of\ 450=?+186$$

1143 0

  • 1
    136
    Correct
    Wrong
  • 2
    107
    Correct
    Wrong
  • 3
    121
    Correct
    Wrong
  • 4
    93
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "136"

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  • Workspace

Answer : 4. "2 "

Q:

рдпрджрд┐┬а2x + 3y - 5z = 18 , 3x + 2y + 2 = 29┬ардФрд░┬аx + y + 3z=17┬арддреЛ┬аxy + yz + zx┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛┬а?┬а

1125 0

  • 1
    32
    Correct
    Wrong
  • 2
    46
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    52
    Correct
    Wrong
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  • Workspace

Answer : 4. "52"

Q:

рдпрджрд┐┬а$$ {0.081\over x}={0.09\over10}$$ ┬ард╣реИ рддреЛ┬аx┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛?

1123 0

  • 1
    0.9
    Correct
    Wrong
  • 2
    0.09
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    0.0009
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "9"

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