1. Khối 6
  2. Toán 6 - Tập hai - Theo SGK Kết nối tri thức với cuộc sống
  3. Chương VI Phân số
  4. Bài 24. So sánh phân số. Hỗ số dương
  5. So sánh phân số

  • Sắp xếp các phân số sau theo thứ tự tăng dần
    −801801\dfrac{-801}{801}801−801​
    401−801\dfrac{401}{-801}−801401​
    104−801\dfrac{104}{-801}−801104​
    −108801\dfrac{-108}{801}801−108​

    Đáp án
    −801801\dfrac{-801}{801}801−801​
    401−801\dfrac{401}{-801}−801401​
    104−801\dfrac{104}{-801}−801104​
    −108801\dfrac{-108}{801}801−108​

    Giải thích
    Vì −801<−401<−108<−104-801<-401<-108<-104−801<−401<−108<−104 nên −801801<−401801<−108801<−104801\dfrac{-801}{801} <\dfrac{-401}{801} < \dfrac{-108}{801} < \dfrac{-104}{801}801−801​<801−401​<801−108​<801−104​ Do đó, −801801<401−801<−108801<104−801\dfrac{-801}{801}<\dfrac{401}{-801}<\dfrac{-108}{801}<\dfrac{104}{-801}801−801​<−801401​<801−108​<−801104​
    1/1

  • So sánh hai phân số −126378\dfrac{-126}{378}378−126​ và −216378\dfrac{-216}{378}378−216​.
    −126378\dfrac{-126}{378}378−126​
    −126378\dfrac{-126}{378}378−126​
    −216-216−216
    −216-216−216
    −216378\dfrac{-216}{378}378−216​
    −216378\dfrac{-216}{378}378−216​
    −126-126−126
    −126-126−126
    Vì
    <<<
    nên
    <<<

    Đáp án
    −126378\dfrac{-126}{378}378−126​
    −126378\dfrac{-126}{378}378−126​
    −216-216−216
    −216-216−216
    −216378\dfrac{-216}{378}378−216​
    −216378\dfrac{-216}{378}378−216​
    −126-126−126
    −126-126−126
    Vì
    <<<
    nên
    <<<
    1/1

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