ôn tập toán lớp 7
Quiz
•
Mathematics
•
7th Grade
•
Medium
Hoàng Đỗ
Used 33+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.(-30) = 15.(-4)
2/-30 = 15/-4
-2/30 = -15/4
2/-4 = -30/15
2/15 = -4/-30
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cho x/y = m/n
x/y = m/n =x-m/y+n
x/y = m/n = x+m/y-n
x/y = m/n = x+m/y+n
x/y = m/n = m-x/n+y
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
biểu thức đại số nào sau đây biểu thị chu vi hình chữ nhật có chiều dài bằng 10cm và chiều rộng bằng x (cm)
10x
10+x
(10+x).2
(10+x):2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
đa thức nào sau đây là đa thức một biến?
a3+3ab-5
2ab-3b+1
4a3+1
-3ab
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cho đa thức P(x) = 3x - 2. Nghiệm của đa thức là
x = 3/2
x = -3/2
x = 2/3
x = -2/3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
bậc của đa thức 2x6 - 7x3 + 8x - 6x2 là:
1
6
3
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
giá trị của biểu thức : M = 3x2 - 5x + 2 tại x = 1 là:
3
0
10
một kết quả khác
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