Quy tắc dấu ngoặc và quy tắc chuyển vế

Quiz
•
Mathematics
•
6th - 7th Grade
•
Hard
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A.
B.
C.
D.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A.
B.
C.
D.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Đơn giản biểu thức ta được
A.
B.
C.
D.
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Đơn giản biểu thức sau:
A. 2x+10
B. 30−x
C. x−10
D. 10+3x
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Tìm x biết:
A.
B.
C. 0
D.
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Tìm x biết :
A. 0
B. 2
C.
D. 1
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Sau khi bỏ ngoặc ta được:
A. −a+2b
B. b-a
C. 2a+2b
D. −2b
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