สอบย่อย1แยกตัวประกอบ
Authored by Narongchai Krutwimarn
Mathematics
2nd Grade
Used 13+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
b3 + a3 เท่ากับเท่าไร
(b+a)(b2-ab+a2)
(b-a)(b2+ab-a2)
(a+b)(b2+ab+a2)
(b-a)(b2-ab-a2)
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
a3-b3 เท่ากับเท่าไร
(a-b)(a2-ab-b2)
(a-b)(a2-ab+b2)
(a-b)(a2+ab-b2)
(a-b)(a2+ab+b2)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
x2+2xy+y2 เท่ากับเท่าไร
(x-y)2
(y-x)2
(x+y)2
(x+y)3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(a-b)2 มีค่าเท่ากับเท่าไร
a2+2ab-b2
a2-2ab+b2
a2+2ab+b2
a2-2ab-b2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
x3+3x2y+3xy2+y3 มีค่าเท่ากับเท่าไร
(x+y)2
(x+y)3
(x-y)3
(y-x)3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(a-b)3 เท่ากับเท่าไร
a3-3a2b+3ab2-b3
a3+3a2b-3ab2+b3
a3+3a2b+3ab2+b3
a3-3a2b-3ab2-b3
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
(น-ล)2 เท่ากับเท่าไร
(น-ล)(น-ล)
(น-ล)(น+ล)
น2-ล2
(น+ล)(น+ล)
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