tính nhanh: 1/2 + 2/28 + 2/70 + 2/130 + 2/304 hứa cho ctlhn luôn

Question

tính nhanh:
1/2 + 2/28 + 2/70 + 2/130 + 2/304
hứa cho ctlhn luôn

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Adalynn 6 giờ 2021-09-09T14:05:00+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-09T14:06:36+00:00

    .-.

    `1/2 + 2/28 + 2/70 + 2/130 + 2/304`

    `= (1/2 + 2/28) + (2/70 + 2/130) + 2/304`

    `= 4/7 + 4/91 + 2/304`

    `= 16/637 + 2/304`

    `= 3069/96824`

    0
    2021-09-09T14:06:42+00:00

    Xin hay nhất 

     

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