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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: chứng minh abcabc chia hết cho 1001

Toán Lớp 6: chứng minh abcabc chia hết cho 1001

Comments ( 2 )

  1. \overline(abcabc)
    = \overline(abc) . 1001 \vdots 1001
    => \overline(abcabc) \vdots 1001
     

  2. Ta có:
    abcabc
    = abc000 + abc
    = abc x 1000 + abc
    = abc . (1000 + 1)
    = abc . 1001
    $\rightarrow$ abcabc $\vdots$ 1001
    $\text{Xin Ctlhn Cho Nhóm Ạ!}$
    $\text{Chúc Bạn Học Tốt!❤}$
    $\text{#Hoidap247}$
     

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222-9+11+12:2*14+14 = ? ( )