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  • 1 # 使用者9535254571587

    4/9×4/3=16/27

    1/3×1/3=1/9

    1/2×1/3=1/6

    2/7×7/2×2/7=2/7

    21/25×25/42=1/2

    4/5×3/4=3/5

    8/7×1/2=4/7

    7/4×1/4×1/2=7/32

    1/7×1/2=1/14

    2/3×5/6=5/9

    1/5×3/8=3/40

    3/5×5/8=3/8

    6/7×3/2=9/7

    5/6×8/3=20/9

    4/11×3/4=3/11

    4/9×3/8=1/6

    5/3×1/5=1/3

    4/3×4/9=16/27

    1/3×1/2=1/6

    2/7×1/2=1/7

    41/12×1/4=41/48

    1/4×3/16=3/64

    1/12×9/4=3/16

    75/8×1/5=15/8

    7/12×1/9= 7/108

    2/3×7/3=14/9

    3/8×9/4=27/32

    5/3×3/5=1

    4/5×5/8=1/2

    7/9×9/7=1

    2/3×1/7=2/21

    1/4×3/50=3/200

    4/5×1/2= 2/5

    2/3×29/8=29/12

    3/2×7/9=7/6

    2/3×3/4=1/2

    5/6×1/3=5/18

    6/5×1/6 =1/5

    2/1×7/2=7

    3/2×1/3=1/2

    1/22×4/5=2/55

    5/6×8/3=20/9

    4/11×3/4=3/11

    2/3×5/6=5/9

    1/5×3/8=3/40

    3/5×5/8=3/8

    8/7×1/2=4/7

    7/4×1/2=7/8

    1/7×1/2=1/14

    2/3×5/6=5/9

    1/4×3/16=3/64

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