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Crack the Codes and win tons of Gold bars! (FINISHED)

1568101142

Comments

  • Pallu
    Pallu Posts: 2

    Level 1

    Answer is 7 


  • ndrew2685
    ndrew2685 Posts: 9

    Level 2

    17
  • Stefan_B
    Stefan_B Posts: 193
    My answer is 17!
  • ruiva001
    ruiva001 Posts: 152
    17
  • GranBarb
    GranBarb Posts: 378
    @Jelly Jenny, I'm changing this answer, too. I think it's 18.
  • 17
  • 제니퍼리
    제니퍼리 Posts: 124
    edited June 2019
    😀😀 Sure 😁



    There's no priority when we solve addition and subtraction. its Same Value.
    you can solve the problem one by one from the left. 

    20-8+2+3=17

    20-(8+2+3)=7

    right answer is 17
  • 제니퍼리
    제니퍼리 Posts: 124
    edited June 2019
    Pummy Raj said:
    Hello @Jelly Jenny


    1) 3 + 3 + 3 =  9;
    2) 3 + 3 + 5 = 11;
    3) 8 + 8 + 5 = 21;
    4) 20 + 20 + 20 = 60;
    5) 20 - (8+2+3) = 7 is the final answer



    There's no priority when we solve addition and subtraction
    or  multiplication and division. 
    Addition and subtraction are equal in value.
    multiplication and division are equal in value.
    in this case,
    you can solve the problem one by one from the left. 

    20-8+2+3=17  right answer is 17 with out Bracket

    20-(8+2+3)=7  answer is 7  only with the Bracket 

    10x4/2x10/4=50

    10x4/{(2x10)/4}=8


    + and -   equal value
    x and /    equal value
    x,/,+,-  Multiplication and division are always priority over subtraction and addition.   

     ex)  2+4x2-10/2-2+2+2=7
  • Sammyjo
    Sammyjo Posts: 231
    Hi. I would like to change my answer from 17 to 7. Thank you to my daughter and @Pummy_Raj for a quick refresher course of Algebra! It has been over 30 years since I took Algebra and I apparently was a little rusty, Haha!
  • PamNadeau
    PamNadeau Posts: 16

    Level 1

    I think it is 4
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