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สอบเซต ครั้งที่ 2

Authored by นางสาวเยาวเรศ จันทร

Mathematics

9th - 12th Grade

Used 16+ times

สอบเซต ครั้งที่ 2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดถูกต้อง

A = {5, 1, 2, 3, 4}

B = {0, 1, 2}

C = {5, 4, 3, 2, 1}

A = B

A = C

B = C

ไม่มีข้อใดถูก

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

กำหนดให้ A = {5, 6, 7, 8, 9} และ B ={ x|x ∈ℤ+ , 4 < x ≤ 9 } ข้อใดถูกต้อง

A = B

A ≠ B

n(B) = 6

n(A) = 6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

{-5, -4, -3, -2, -1, 0, 1, 2, 3}

{-5, -4, -3, -2, -1, 0, 1, 2}

{1, 2}

{1, 2, 3}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

กำหนด A = {1, 2} , B = {0, 1, 2, 3, 4} และ C = {1, 3} ข้อใดไม่ถูกต้อง

A ⊂ B

C ⊂ B

C ⊂ A

B ⊄ A

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

{0}

{4}

{0, 4}

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

เมื่อ A = {x, y ,{z}} จำนวนสับเซตทั้งหมดของเซต A เท่ากับเท่าไร

2

4

8

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

กำหนด A = {∅,2,4} จงหา P(A)

∅, {2},{4} ,{2,4}

{∅, {2},{4} ,{2,4}}

∅, {∅}, {2}, {4}, {∅,2}, {∅,4}, {2,4}, {∅,2,4}

{∅, {∅}, {2}, {4}, {∅,2}, {∅,4}, {2,4}, {∅,2,4}}

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