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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Kiệt Gia 3 years 2021-05-14T11:17:03+00:00 2 Answers 8 views 0

Answers ( )

  1. quangkhai
    0
    2021-05-14T11:18:20+00:00
    Reply

    .-.

    `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`

  2. thuthao
    0
    2021-05-14T11:19:01+00:00
    Reply

    Xin hay nhất 

     

    tinh-nhanh-1-2-2-28-2-70-2-130-2-304-hua-cho-ctlhn-luon

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