RT
輸入分數,選擇運算,然後按計算按鈕。
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1/2 + 1/3 =(1×3 + 1×2)/(2×3)= 5/6
1/2-1/3 =(1×3-1-2)/(2×3)= 1/6
1/2×1/3 =(1×1)/(2×3)= 1/6
1/2÷1/3 = 1/2×3/1 =(1×3)/(2×1)= 3/2 = 1 1/2
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