设I为整数集合。选出下列是I上的二元运算的二元关系
A: [img=348x25]1802f916103adbd.png[/img]
B: [img=286x25]1802f9161ae0b41.png[/img]
C: [img=318x25]1802f916251b866.png[/img]
D: [img=294x25]1802f9162fa749f.png[/img]
E: [img=282x25]1802f91639f6557.png[/img]
F: [img=371x25]1802f916444d8eb.png[/img]
G: [img=383x25]1802f91650b6869.png[/img]
H: [img=368x25]1802f9165ba5e8b.png[/img]
I: [img=279x25]1802f9166711e37.png[/img]
A: [img=348x25]1802f916103adbd.png[/img]
B: [img=286x25]1802f9161ae0b41.png[/img]
C: [img=318x25]1802f916251b866.png[/img]
D: [img=294x25]1802f9162fa749f.png[/img]
E: [img=282x25]1802f91639f6557.png[/img]
F: [img=371x25]1802f916444d8eb.png[/img]
G: [img=383x25]1802f91650b6869.png[/img]
H: [img=368x25]1802f9165ba5e8b.png[/img]
I: [img=279x25]1802f9166711e37.png[/img]
举一反三
- 设I为整数集合。选出下列是I上的二元运算的二元关系 A: [img=348x25]1803980f668c564.png[/img] B: [img=286x25]1803980f708fa4d.png[/img] C: [img=318x25]1803980f7b55f03.png[/img] D: [img=294x25]1803980f86adba1.png[/img] E: [img=282x25]1803980f908d594.png[/img] F: [img=371x25]1803980f9aadc82.png[/img] G: [img=383x25]1803980fa5b7fc8.png[/img] H: [img=368x25]1803980fb04eba9.png[/img] I: [img=279x25]1803980fbbced35.png[/img]
- 设I为整数集合。选出下列是I上的二元运算的二元关系 A: [img=348x25]18037980477b3e1.png[/img] B: [img=286x25]1803798052764ff.png[/img] C: [img=318x25]180379805d42ca0.png[/img] D: [img=294x25]18037980697d638.png[/img] E: [img=282x25]180379807468103.png[/img] F: [img=371x25]180379807f471d5.png[/img] G: [img=383x25]180379808a6fa49.png[/img] H: [img=368x25]180379809544622.png[/img] I: [img=279x25]18037980a029e86.png[/img]
- 设I为整数集合。选出下列是I上的二元运算的二元关系 A: [img=348x25]18036a7625c87c2.png[/img] B: [img=286x25]18036a7631a82e5.png[/img] C: [img=318x25]18036a763cd3849.png[/img] D: [img=294x25]18036a76486293e.png[/img] E: [img=282x25]18036a765326d34.png[/img] F: [img=371x25]18036a765e4bf8b.png[/img] G: [img=383x25]18036a7669aebf2.png[/img] H: [img=368x25]18036a767491786.png[/img] I: [img=279x25]18036a767fc0981.png[/img]
- 令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型：{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}
- 若f(x)+f(-x)=0, 则[img=95x39]17da608af452d96.jpg[/img]. 若f(x)=f(-x), 则 [img=170x38]17da60541207426.jpg[/img]