為質數所形成的集合)
1. FSILEAMF#{1,3,5}? (A){2k-11 15k33} (B){2k+1|0sks2, keZ} (C)[1,5}-{2,4} (D){135}
(E)以上皆非
2. T5110 TEME? (A)EQ (B)O EN C)VIER
(D)0.3 EZ (E)HEESE
3. A={{ },{0}}, T5110 BETE? (A)0€A (B){{0}}&A (C)ØEA (D){Ø}&A (EDMESJE
4. {0,1,2} n{1,3,5)=? (A){1} (B){0,2} (C){ } (D){0,1,2,3,5) (E)DEJE
5. {2k|1<k33, keN}-{3k|15ks3, keN}=? (A){2,4} (B){6} (C){3,9} (D){2,3,4,6,9} (ELLES
