1.[TOÁN 8] ĐƠN THỨC VÀ ĐA THỨC NHIỀU BIẾN
Quiz
•
Mathematics
•
8th Grade
•
Medium
TOÁN THẦY THẮNG
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sau khi thu gọn đơn thức 2.(-3.x3.y)y2 ta được đơn thức
-6x3y3
6x3y3
6x3y2
-6x2y3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính giá trị của đơn thức 5.x4.y2.z3 tại x = -1, y = -1, z = -2
10
20
-40
40
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm hệ số trong đơn thức -36a2.b2.x2.y3 với a, b là hằng số
-36
-36a2b2
36a2b2
D. -36a2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm phần biến trong đơn thức 100abx2yz với a, b là hằng số.
ab2x2yz
x2y
x2yz
100ab
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bậc của đơn thức (-2x3) 3x4y là:
3
8
-8
-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bậc của đa thức xy + xy5 + x5yz là
6
7
5
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thu gọn đa thức 4x2y + 6x3y2 - 10x2y + 4x3y2 ta được kết quả là:
14x2y + 10x3y2
-14x2y + 10x3y2
6x2y - 10x3y2
-6x2y + 10x3y2
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