Sunday, January 27, 2008

5 Times 2 = 7?

Using only basic arithmetic operations make 7 out of five '2's.


2    2    2    2    2 = 7


You can use '+', '-', 'x', or '÷' between the '2's.
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9 comments:

  1. UnknownJanuary 30, 2008 at 8:53:00 PM PST

    2*2*2-(2/2)

    ReplyDelete
  2. AnonymousFebruary 1, 2008 at 12:44:00 AM PST

    2 + 2 + 2 + 2/2 = 7

    ReplyDelete
  3. AnonymousFebruary 6, 2008 at 9:41:00 PM PST

    you cant use parenthesis,, you should solve it directly,, the right answer is

    2÷2+2+2+2 = 7

    MDAS Rule!! Multiply first then Divide then add the Subtract

    ReplyDelete
  4. BonMarch 22, 2008 at 9:40:00 PM PDT

    It doesn't say there has to be an operator between every number. In that case an alternative solution is 22 / 2 - 2 - 2 = 7.

    22/2 = 11. Minus 2 = 9. Minus 2 = 7.

    Conforms to MDAS too.

    ReplyDelete
  5. AnonymousMay 29, 2008 at 1:28:00 PM PDT

    2*2*2-(2/2) is still
    2*2*2-2/2 without the parentheses and still works under MDAS.

    ReplyDelete
  6. AnonymousSeptember 1, 2008 at 6:11:00 PM PDT

    Order of operations is important here. PEMDAS. multiply divide add subtract. 2/2 + 2 + 2 + 2 = 7

    ReplyDelete
  7. AnonymousFebruary 14, 2009 at 12:17:00 PM PST

    2/2+2+2+2= 7

    ReplyDelete
  8. UnknownMay 27, 2009 at 12:26:00 PM PDT

    you could also use...

    2/2+2*2+2

    ReplyDelete
  9. AnonymousJuly 23, 2009 at 2:48:00 AM PDT

    frogs0991's answer gets 8... haha

    ReplyDelete