i33 มีค่าเป็นเท่าไร
แบบทดสอบย่อย 1 เรื่อง จำนวนเชิงซ้อน

Quiz
•
Mathematics
•
12th Grade
•
Medium
นางสาวพรทิพย์ ยอดผล
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
i
-i
1
-1
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
z = -5 - 3i ข้อใดต่อไปนี้ คือ Re(z)
3
-3i
5
-5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
z = 7- 2i ข้อใดต่อไปนี้ คือ Im(z)
7
-2
2
-2i
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(-2+3i) + (4 – i) มีค่าเท่าใด
6 - 2i
-2 – 2i
2 + 4i
2 + 2i
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(3 – 5i) – (-2 + 4i) มีค่าเท่าใด
5 – 9i
1 – i
5 + i
1 + 9i
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
ตัวผกผันการบวกของ (-4 - 3i) คือข้อใด
-4 + 3i
4 + 3i
1 + i
0
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
ตัวผกผันการคูณของ (4 , –3) คือข้อใด
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