
BÀI 2: ĐẠI SỐ
Authored by Trần Hồng Thanh
Mathematics
9th Grade
Used 6+ times

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47 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số hữu tỉ là số có thể viết dưới dạng:
Phân số với mẫu số bằng 0
Phân số có tử và mẫu là số nguyên, mẫu khác 0
Phân số có tử là số thập phân
Số nguyên
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nào sau đây là số hữu tỉ?
√2
π
-3/5
√3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đối của -7/9 là:
7/9
-7
-9/7
9/7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nghịch đảo của 4/3 là:
4/3
-4/3
-3/4
3/4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phép cộng: (-2/3) + (5/6) =
3/6
1/2
-1/2
1/6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả của phép trừ: (5/8) - (3/4) là:
-1/8
1/8
-5/8
2/8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phép nhân: (-2/5) × (3/4) =
-6/20
6/20
3/10
-6/10
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