
Język matematyki - test 1
Authored by Olga Werner
Mathematics
9th Grade
Used 142+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dane są zbiory A = {5, 7, 9, 11} oraz B = {3, 5, 7, 9, 11, 13}. Prawdziwą zależnością jest:
B \ A = {3, 5, 7}
A \ B = ∅
A \ B = {3, 13}
A ∩ B = {3, 13}
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dane są zbiory A i B takie, że A ∩ B = ∅. Prawdziwa jest zależność:
A \ B = B
A \ B = A
A ∩ B = A
A ∪ B = B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dany jest zbiór liczb A = {0,(2); 0,(3); 0,(4)}. Suma elementów tego zbioru nie jest liczbą:
wymierną
niewymierną
całkowitą
naturalną
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liczbą spełniającą równanie |x| = 2√2 - 1 jest:
2√2 + 1
1 - 2√2
2√2
1/√2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Przybliżeniem liczby 18,7048 do części setnych jest liczba:
18,7
18,70
18,71
18,705
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Przybliżenie liczby 85 627 845 z dokładnością do miliona wynosi:
856 mln
85,6 mln
86 mln
85 mln
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liczba 10 jest przybliżeniem liczby 9,5. Błąd względny należy do przedziału:
(0,05; 0,06)
(0,06; 0,07)
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