
แบบทดสอบก่อนเรียนที่ 1 คู่อันดับและผลคูณคาร์ทีเชียน
Authored by Manlika Khobthulee
Mathematics
9th - 12th Grade
Used 266+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ถ้า ( x, y ) = ( 3, 5 ) แล้ว y-x มีค่าเท่าใด
-2
8
15
2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ถ้า ( x, 6 ) = ( 4, y ) แล้ว x+y มีค่าเท่าใด
2
24
10
8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ถ้า (4 , x+2) = ( , 5 ) แล้ว x มีค่าเท่าใด
3
4
5
7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ถ้า (x-1 , 3y) = (2 , 6 ) แล้ว x+y มีค่าเท่าใด
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ถ้า (x+y , 2) = (1 , 2x-y ) แล้ว xy มีค่าเท่าใด
0
1
2
3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
กำหนดให้ A = {1 , 3} และ B = {5 , 7} คู่อันดับในข้อใดต่อไปนี้ เป็นสมาชิกของผลคูณคาร์ทีเชียนของ A B
(1 , 3)
(3 , 7)
(5 , 1)
(7 , 5)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
กำหนดให้ A = {1 , 3} และ B = {2 , 4 , 6} แล้ว B A คือเซตในข้อใด
{ (1 , 2), (1 , 4), (3 , 2), (3 , 4), (3 , 6) }
{ (2 , 1), (4 , 1), (2 , 3), (4 , 3), (6 , 3) }
{ (2 , 1), (4 , 1), (6 , 1), (2 , 3), (4 , 3), (6 , 3) }
{ (1 , 2), (1 , 4), (1 , 6), (3 , 2), (3 , 4), (3 , 6) }
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