Question

QQ

請問第18題解法？

zxzy
DR {(x,y)/2x-2y+1=0}) {(x,y)|x-y-3=0}=? (A){1} (B){(1,1)} (C){(-1,0)} (D){ } (E) ESJE
下列何者正確?
(A)(Q-N) (Q-Z) (B)(Q-N)C(R-N) (C)ZCN (D)QCZ (E)!
ESJE
C15. EH A={x|0sx<3,xeR} , TE](OHTA?(A) (0,3) (B) (0,3] (C)[0,3) (D)0,3] (ED) EX 4
Độ X={1,2,3,4},Y={2,4,6},Z={3,4,5}, H n(X-(YUZ)=? (A)0 (B)1 (C)2 (D)3 (E) IEEEZE
A17 (1,3)-(2,4)=? (A)(1,2)(B)(1,2] (C)[3,4] (D{ } (EDES 4
13
A4 2,41 U 10,3)=? (A){0,1,2,3,4} (B)(2,3) (C)(0,4) (D)[0,4] (EIXESJE 3
HID
4
x-2y = 3
2x-gco
Lo

集合

Answer 1

Wonder

如

QQ

可是不是不包含2和3嗎？

Wonder

聯集是其中之一有就可