
Thử thách toán (lần 1)
Authored by Hưng Trần
Mathematics
4th Grade

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Biểu thức nào sau đây là biểu thức có chứa ba chữ?
a + b
a + b – c
5 + m
x – 7
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Giá trị của biểu thức a × b – 4 với a = 6, b = 7 là:
38
42
40
44
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Cho biểu thức: (a + 5) × b. Với a = 7, b = 4 thì giá trị biểu thức là:
28
48
32
40
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Cho: 528 + 372 = … + 528. Số điền vào chỗ chấm là:
900
372
528
856
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
So sánh: 3 245 + 475 … 3 245 + 574
>
=
<
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Giá trị của biểu thức m × n + 10 với m = 8, n = 5 là:
50
40
60
70
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Với a = 4, b = 9, biểu thức nào có giá trị lớn nhất?
a × b
a + b × 5
(a + b) × 3
a × 10 – b
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