Chọn hằng đẳng thức đúng1
Authored by Vũ Nhài
Mathematics
5th Grade - University
Used 6+ times
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7 questions
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1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Chọn câu trả lời đúng
(A+B)2= A2+ B2
(A+B)2= A2+ 2AB+ B2
(A+B)2= A2 - AB+ B2
(A+B)2= A2+ 2AB - B2
2.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Chọn câu trả lời đúng
(A - B)2= A2 - AB+ B2
(A - B)2= A2 - 2AB+ B2
(A - B)2= A2 - AB - B2
(A - B)2= A2 +2AB - B2
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Chọn câu trả lời đúng
A2 - B2= A2 - AB - B2
A2 - B2= (A+B)(A-B)
A2 + B2= (A+B)(A-B)
A2 - B2= A2 - 2AB + B2
4.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Chọn câu đúng
(A+B)3= A3+3A2B+3AB2+B3
(A+B)3= A3-3A2B+3AB2-B3
(A-B)3= A3+3A2B+3AB2+B3
(A+B)3= A3-3A2B-3AB2+B3
5.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Chọn câu trả lời đúng
(A-B)3= A3- B3
(A-B)3= A3- 3A2B+3AB2+ B3
(A-B)3= A3- 3A2B + 3AB2- B3
(A-B)3= A3+ B3
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Chọn câu đúng nhé
A3+ B3= (A+B)(A2+2AB+B2)
A3+ B3= (A - B)(A2+AB+B2)
A3+ B3= (A + B)(A2-AB+B2)
A3+ B3= (A - B)(A2- 2AB+B2)
7.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Chọn hằng đẳng thức đúng
A3 - B3= (A+ B)(A2+AB+B2)
A3 - B3= (A - B)(A2+AB+B2)
A3 - B3= (A - B)(A2- AB+B2)
A3 - B3= (A - B)(A2+AB - B2)
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