BÀI TẬP TRẮC NGHIỆM CHƯƠNG II TOÁN 8
Authored by Do Trach
Mathematics
8th Grade
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả của tích (2x+y)(2x-y) là:
4x - y
4x + y
4x2 - y2
4x2 + y2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả x2 - (2y)2 là:
x2 - 2y
x2 + 2y
(x - 2y)(x + 2y)
(x + 2y)(x + 2y)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả x2 - 1 là:
(x - 1)(x + 1)
(x + 1)(x + 1)
x2 + 2x + 1
x2 + 2x - 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả của (x - 7)2 là:
(7 - x)2
x2 - 14x + 49
x2 - 2x + 49
x2 - 14x + 7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả của x3 + 3x2 + 3x + 1 là:
x3 + 1
(x - 1)3
(x + 1)3
(x3 + 1)3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả 8x3 + 12x2y + 6xy2 + y3 là:
(2x3 + y)3
(2x + y3)3
(2x + y)3
(2x - y)3
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