Tìm kiếm
Tú Kenji
3 năm trước

chứng minh 8^10-8^9-8^8 chia hết cho 55

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Hoàng Vinh Hoa
3 năm trước

Đáp án:

8^10-8^9-8^8= 8^8( 8^2- 8- 1)= 8^8. 55 chia hết cho 55

=> 8^10-8^9-8^8 chia hết cho 55 ( đpcm)

Nguyen Hang
3 năm trước

Đáp án:

Giải thích các bước giải: 8^8.(8^2-8-1)=8^8 ×55 chia hết cho 55

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