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

Toán Lớp 6: chứng tỏ rằng : a ) 11mũ11 + 22mũ22 + 33mũ33 + 44mũ44 + 55mũ55 không chia hết cho 2 b ) 2 + 2² + 2³ + – + 5 mũ 61 chia hé

Toán Lớp 6: chứng tỏ rằng :
a ) 11mũ11 + 22mũ22 + 33mũ33 + 44mũ44 + 55mũ55 không chia hết cho 2
b ) 2 + 2² + 2³ + …. + 5 mũ 61 chia hét cho 5

Comments ( 1 )

  1. Mk gửi bài nhé
    Cho mk xin5*+ ctlhn nha

    toan-lop-6-chung-to-rang-a-11mu11-22mu22-33mu33-44mu44-55mu55-khong-chia-het-cho-2-b-2-2-2-5-mu

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