運算式 3: left parenthesis, "x" minus 1 quarter , right parenthesis left parenthesis, "x" minus 1 third , right parenthesis left brace, 1 quarter less than or equal to "x" less than or equal to 1 third , right brace 有圖檔。 要進行圖形閱讀,請按 Alt + T 鍵。x−14x−1314≤x≤13
3
運算式 4: left parenthesis, "x" minus 1 fifth , right parenthesis left parenthesis, "x" minus 1 quarter , right parenthesis left brace, 1 fifth less than or equal to "x" less than or equal to 1 quarter , right brace 有圖檔。 要進行圖形閱讀,請按 Alt + T 鍵。x−15x−1415≤x≤14