問題詳情
There are 7 problems in this test. No calculators are allowed. Write down detailed steps forthe solution to each problem. Otherwise, no credits for that problem will be given. 7. Let m and n be two positive integers, m ≤ n. Define

【題組】
(a) Show that if'n is prime, then n divides

for every i, 1 ≤i<n.
參考答案