Thu gọn: ( − 2 𝑥 2 ) ( 3 𝑥 𝑦 )

Câu hỏi về Đơn thức và Thu gọn

Quiz
•
Mathematics
•
University
•
Medium
Dương Nguyễn
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-6x³y
6x³y
-5x²y
-6x²y
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong đơn thức -3xy²z, hệ số là:
3
-3
xy²z
-xy²z
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai đơn thức 3x²y và -5x²y là:
Không đồng dạng
Đồng dạng
Khác bậc
Không có phần biến
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thu gọn: ( 3 𝑎 2 𝑏 ) ( − 𝑎 𝑏 3 )
-3a³b⁴
-3a²b³
3a³b³
-2a³b⁴
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn đơn thức trong các biểu thức sau:
2x + 3
-4xy²
x² - y²
(x + y)²
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thu gọn: ( − 𝑥 ) ( − 2 𝑥 2 𝑦 )
2x³y
-2x³y
-x³y
x²y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phần biến của đơn thức -7x²y là:
-7
x²y
x
x²
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