LUYỆN TẬP CHUNG - KTTX
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
Niềm Thị
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 1: Kết quả của phép tính -5x3 + 2x3
A: 3x3
B: -3x3
C: -7x3
D: 7x3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 2: Kết quả của phép tính -2x2.3x
A: 6x3
B: -5x3
C: -6x3
D: x3
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 3: Kết quả của phép tính 2x (x-4x2)
A: 2x2 - 8x3
B: 2x2 - 8x2
C: 2x - 8x2
D: 2x2 - 6x3
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 4: Kết quả của phép tính 12x4 : (-6x3)
A: 2x
B; 6x
C: -6x
D: -2x
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 5: Kết quả của phép tính (6x5 - 4x3) : 2x3
A: 3x2-2x
B: -3x2 - 2
C: 3x2 - 2
D: 4x2 - 2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các hệ thức sau, hệ thức nào không phải là hệ thức biểu diễn phép chia đa thức A cho đa thức B ( B≠ 0 ) được đa thức Q .
A: A : B = Q
B: A = B.Q
C: B = A.Q
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Khi chia đa thức A cho đa thức B (B≠0 ) được đa thức Q và đa thức dư R. Để phép chia A cho B là phép chia hết thì R cần điều kiện gì?
A: R ≠ 0
B: R =2
C: R = 1
D; R =0
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