Online Activities, Educational Games, Quizzes, Crossword Maker

Make educational games, websites, online activities, quizzes and crosswords with Kubbu e-learning tool for teachers


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V.13.Multimi 1

Stabiliti valoarea de adevar pentru fiecare din propozitiile urmatoare. Timpul de rezolvare este de 2 minute. SUCCES !

Groups:
Propozitie adevarata, Propozitie falsa, group_name3, group_name4,

Words:
A∩A=A, A∩Ø=Ø, A∩Ø=A, AUA=A, A-A=A, A-A= Ø, A- Ø= Ø, AU Ø=A, AU Ø= Ø, Ø- Ø= Ø, A- Ø=A, Ø-A= Ø, AUB=BUA, A∩B=B∩A, A-B=B-A, daca AUB=A atunci A c B, A,B disjuncte atunci A c B, daca A c B atunci A∩B=A, daca A∩B=Ø atunci A-B=A, daca AUB=A atunci B c A, card(AUB)=card(A)%2bcard(B)%2bcard(A∩B), card(AUB)=card(A)%2bcard(B)-card(A∩B),