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  1. D

    Live size skeleton model

    sold
  2. D

    Help!!!!!!Chinese BS

    i put section 2 Q4 andQ5 in the same booklet! will the marker sort them out ? anyone has similar experience please tell me!!!
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    binomial help please!

    can some one show me how to do this? thanx use the binomial theorem to show that 7^n + 2 is divisible by 3, where n is a positive integer. (hint: write 7 = 6+1)
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