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PSLE P4 & P5 SMOPS NMOS IQ
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10 Responses to “Questions Archives”

  1. susanti April 8, 2011 at 4:18 pm #

    I WANT TO LEARN!!!!!!

    • Anne April 9, 2011 at 10:36 am #

      some marbeles are share among 3boys.Aaron’s share 3/4 of Brian’s share and Brian’s share is 4/5 of Charle’s share. If Aaron and Brian have a toatl 56 marbles altogether.How many marbles do the 3 boys have in all?

  2. matharena April 9, 2011 at 11:54 am #

    A : B : C
    3 : 4 : 5

    A+B —> 7 u —-> 56
    1 u —-> 8
    Altogether: 12 u —> 12 x 8 = 96 marbles

  3. claire tan September 19, 2011 at 8:00 pm #

    heyy auntie persis,
    im claire, i used to b in yr math class for P6?
    im having trouble with on how to inverse a fraction.. i can inverse a expression but not so sure on fractions.
    like for an example,
    f(x)=1/ 3x+4

    • Math Arena September 22, 2011 at 1:45 pm #

      Hi, Claire,
      I suppose you are asking about how to inverse a function in the form of a fraction. There is a general method to inverse a function. First we let y=f(x), and then we try to express x in terms of y. For example, f(x) = \frac{1}{3x+4}
      let \frac {1}{3x+4} = y, then express y in terms of x.
      Thus, we have
      1 = 3xy+4y
      1-4y= 3xy
      \frac{1-4y}{3y} = x
      f^{-1}(y) = \frac{1-4y}{3y}.
      Then we change everything from y to x by convention, we have
      f^{-1}(x) = \frac{1-4x}{3x}.
      That would be your inverse function to the original function.

  4. Chania Loveyouforever April 27, 2012 at 7:36 pm #

    Hi do you have foundation maths questions?

  5. matharena April 30, 2012 at 11:04 am #

    Hi,

    Would you like to post some foundation math questions here so we can help to solve them?

  6. Syarah September 17, 2012 at 12:03 am #

    Hi Can You Pls Post Sme Foundation Maths Questions…So I could learn hw to slv it..

  7. mariengmh October 22, 2012 at 5:19 pm #

    Really good! Please post more questions for me to learn.

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