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modular:01_divisibility [2014/02/01 00:28] marje [1.2. Divisibility] |
modular:01_divisibility [2014/02/01 00:32] marje [1.2. Divisibility] |
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| Among the following numbers, which numbers divide which: $0,\ 1,\ -1,\ 2,\ 4,\ -5,\ 10,\ -10$. | Among the following numbers, which numbers divide which: $0,\ 1,\ -1,\ 2,\ 4,\ -5,\ 10,\ -10$. | ||
| - | ++Answer| $1 \mid -1$, $1 \mid 2$, $1 \mid 4$, $1 \mid -5$, $1 \mid 10$, $1 \mid -10$, $1 \mid 0$,\\ $-1 \mid 2$, $-1 \mid 4$, $-1 \mid -5$, $-1 \mid 10$, $-1 \mid -10$, $-1 \mid 0$, $-1 \mid 1$,\\ $2 \mid 4$, $2 \mid 10$, $2 \mid -10$, $2 \mid 0$,\\ $4 \mid 0$,\\ $-5 \mid 10$, $-5 \mid -10$, $-5 \mid 0$,\\ $10 \mid -10$, $10 \mid 0$,\\ $-10 \mid 0$, $-10 \mid 10$++ | + | ++Answer| $1 \mid -1$; $1 \mid 2$; $1 \mid 4$, $1 \mid -5$, $1 \mid 10$, $1 \mid -10$, $1 \mid 0$,\ $1 \mid 1$,\\ $-1 \mid 2$, $-1 \mid 4$, $-1 \mid -5$, $-1 \mid 10$, $-1 \mid -10$, $-1 \mid 0$, $-1 \mid 1$,\ $-1 \mid -1$,\\ $2 \mid 4$, $2 \mid 10$, $2 \mid -10$, $2 \mid 0$,\ $2 \mid 2$,\\ $4 \mid 0$,\ $4 \mid 4$,\\ $-5 \mid 10$, $-5 \mid -10$, $-5 \mid 0$,\ $-5 \mid -5$,\\ $10 \mid -10$, $10 \mid 0$,\ $10 \mid 10$\\ $-10 \mid 0$, $-10 \mid 10$,\ $-10 \mid -10$++ |
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