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Factorisation
Excel-SimpleCalculation
F6_等比數列無限項之和求未知數
F6_等差數列_ArithmeticSequence
F1百分數應用
F1_C04_1_公式與代數
F1_CH01.04b-分數除法
F1_CH01.04a-帶分數化為假分數
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