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Review topic : Sequences and expressions

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  • Five the expression of : Divide n by 3 and add 2
    n : 3 +2
  • The formula of perimeter P of a rectangle with the length a and the width b
    P = (a+b) x 2
  • Five the expression of : multiply by 3 then subtract from 2
    2 - 3n
  • Give the expression of : n add 3 then divide the number by 2
    (n+3):2
  • Give the expression of : multiply n by 3 then subtract 2
    3n-2
  • The formula of area S of a rectangle with the length a and the width b
    S = a x b
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