Tính nhanh 3/4+12/8+20/45+16/48+45/81+25/100

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Tính nhanh 3/4+12/8+20/45+16/48+45/81+25/100

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Iris 2 tháng 2021-09-28T15:10:57+00:00 2 Answers 7 views 0

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    0
    2021-09-28T15:12:14+00:00

    3/4+12/8+20/45+16/48+45/81+25/100

    =3/4 + 3/2 + 4/9 + 1/3 + 5/9 +1/4

    = (3/4 + 1/4)+ (5/9+4/9)+(3/2 +1/3)

    = 1 + 1 + 11/6

    = 2 + 11.6

    0
    2021-09-28T15:12:16+00:00

    Đáp án:13/6

     

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