Tính tổng `1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024`. Quy đồng nhé!

Question

Tính tổng `1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024`. Quy đồng nhé!

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Ayla 3 tháng 2021-07-25T21:26:49+00:00 2 Answers 17 views 0

Answers ( )

    0
    2021-07-25T21:27:49+00:00

    Đáp án:

     

    Giải thích các bước giải:

     1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024

    =512/1024+256/1024+128/1024+64/1024+32/1024+16/1024+8/1024+4/1024+2/1024+1/1024

    =5$\frac{512+256+128+64+32+16+8+4+2+1}{1024}$

    =1023/1024

    0
    2021-07-25T21:28:21+00:00

    Đáp án: + Giải thích các bước giải:

    `1/2 + 1/4 + 1/8 + 1/16 + 1/32 + 1/64 + 1/128 + 1/256 + 1/512 + 1/1024`

    `= 512/1024 + 256/1024 + 128/1024 + 64/1024 + 32/1024 + 16/1024 + 8/1024 + 4/1024 + 2/1024 + 1/1024`

    `= 1023/1024`

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