
Biểu thức chứa chữ
Authored by Song Linh Ngo
Mathematics
1st - 5th Grade
Used 5+ times

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5 questions
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1.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
Tính giá trị biểu thức a + b với a = 8, b = 6
2.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Biểu thức sau là biểu thức chứa mấy chữ?
15 + a + m + a
A. Biểu thức chứa 3 chữ
B. Biểu thức chứa 2 chữ
C. Biểu thức chứa 1 chữ
D. Biểu thức chứa 4 chữ
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Chi vi P của hình tam giác có độ dài ba cạnh lần lượt là a, b, c (cùng đơn vị đo) được tính theo công thức:
P = a + b + c
Với a = 62 cm, b = 75 cm, c = 81 cm, P =...........cm
A. 216 cm
B. 217 cm
C. 218cm
D. 219cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Với giá trị nào của m dưới đây thì biểu thức 12 : (3 - m) có giá trị bé nhất?
A. m = 2
B. m = 1
C. m = 0
5.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
Tính giá trị của biểu thức a x 2 + b x 2
với a = 7, b = 3
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