Nguyễn Non
Hỏi từ APP VIETJACK
25 ...chia hết cho 2 và 9
Quảng cáo
3 câu trả lời 924
3 năm trước
1 số muốn chia hết cho 2 thì tận cùng của số đó phải là số chẵn
1 số muốn chia hết cho 9 thì tổng các chữ số cộng lại phải chia hết cho 9
Giả sử: ta chọn số 252
252:2=126
252:9=28 (vì 2+5+2=9 mà 9 chia hết cho 9)
Vậy số đó là 252
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Câu hỏi hot cùng chủ đề
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11 41163
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Hỏi từ APP VIETJACK3 29427
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