
Množiny a intervaly
Authored by Tereza Procházková
Mathematics
6th - 8th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Doplněk množiny A vzhledem k množině B značíme:
A∩B
A∪B
A∖B
A′B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uvažujme množiny A = {1, 2, 3, 4} a B = ℕ. Množinu A∖B můžeme zapsat:
{1, 2, 3, 4}
{0, 1, 2, 3, 4}
∅
{5, 6, 7,…}
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uvažujme množiny A = {1, 2, 3} a B = {3,4,5}. Množinu A∪B můžeme zapsat:
{1, 2, 3}
{3,4,5}
{1,2,3,4,5}
{1,2,4,5}
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
{3}
{1, 2, 3}
{3,4,5}
{1,2,3,4,5}
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uvažujme množiny A = {1, 2, 3} a B = {1, 2, 3, 4, 5}. Určete tvrzení, která jsou pravdivá:
A∩B = ∅
A⊆B
B⊆A
|A| = 3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uvažujme množiny A = {1, 2, 3, 4, 5} a B = {3, 4, 5, 6, 7}. Množinu A-B můžeme zapsat:
{1, 2, 3, 4, 5}
{3, 4, 5, 6, 7}
{1,2}
{6, 7}
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Zapište intervalem:
(-3,4)
<4,-3>
<-3,4)
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