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In this lesson, we will learn how to find the union between two sets or more.
Q1:
Given that { 6 , 7 } βͺ { 1 , 8 } = { 7 , 8 , π₯ , 6 } , what is the value of π₯ ?
Q2:
Use β or β to fill in the gap: If π = { 7 , 2 , 1 , 8 } and π = { 4 , 2 , 1 } , then 2 2 π βͺ π .
Q3:
Given that { 2 , 7 } βͺ { 1 , π₯ , 6 } = { 6 , 2 , 1 , π₯ } , what is the value of π₯ ?
Q4:
Find { 5 } βͺ { 4 5 } .
Q5:
Given that { 9 , 1 4 } βͺ { 5 π₯ , 5 } = { 9 , π₯ , 1 4 , 2 5 } , what is the value of π₯ ?
Q6:
Given that { 2 , π₯ } βͺ { 1 2 , 2 } = { 1 2 , 2 , 1 1 } , what is the value of π₯ ?
Q7:
What is { 4 7 } βͺ { 7 4 } ?
Q8:
Use β or β to fill in the gap: If π = { 6 , 4 , 8 } and π = { 8 , 6 , 4 , 5 } , then 1 π βͺ π .
Q9:
What is { 9 } βͺ { 9 } ?
Q10:
If π = { 5 , 7 , 4 , 3 } and π = { 4 , 6 , 8 , 5 , 3 } , what is π βͺ π ?
Q11:
If π = { 4 , 0 , 1 } , π = { 6 , 7 , 8 } , and π = { 5 , 0 , 3 , 2 } , what is ( π βͺ π ) βͺ π ?
Q12:
Find { 0 , 1 , 6 , 1 0 } βͺ { 3 , 7 , 8 } .
Q13:
What is { 3 , 6 , 9 } βͺ { 6 , 3 9 } ?
Q14:
If π = { 1 , 4 , 3 } , what is π βͺ π ?
Q15:
Given that { 2 1 } βͺ { π₯ } = { 2 1 , 1 5 } , what is the value of π₯ ?
Q16:
Given that { π₯ } βͺ { 1 5 } = { 1 5 , 4 3 } , what is the value of π₯ ?
Q17:
What is β βͺ β ?
Q18:
Find { 6 , 8 , 1 0 } βͺ { 4 , 6 } βͺ { 0 , 1 0 } .
Q19:
Use β or β to fill in the gap: If π = { 1 , 2 , 7 , 5 } and π = { 7 , 4 , 2 , 8 } , then { 5 , 7 } π βͺ π .
Q20:
Find the union set of { 6 , 1 , 3 , 5 } and the set of digits in the number 46β786.
Q21:
Given that π = { 6 , 5 , 7 } and π = { 8 , 5 , 3 , 6 } , find π βͺ β .
Q22:
Given that { 9 , π₯ } βͺ { 3 π₯ , π₯ + 5 } = { 3 , 9 , 8 } , what is the value of π₯ ?
Q23:
Given that { 8 , 1 } βͺ { π₯ , 2 } = { 8 , 2 , 1 } , what is the value of π₯ ?
Q24:
Find { π , π , π§ } βͺ { π , β , π } .
Q25:
Find β βͺ { 0 , 1 , 3 , 4 } .
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