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Key Stage 3 (Junior Secondary)‎ > ‎3.1 Number & Algebra 數與數系‎ > ‎

Using Percentages 百分法

  • Percentages - Selling Problems 百分數 - 買賣問題
  • Quiz on Fraction to Percentage 分數化百分數
  • Quiz on Percentage Profit & Loss 盈利/虧蝕百分率

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