mở rộng phân số phân số bằng nhau
Quiz
•
Education, Fun
•
1st Grade
•
Hard
thái thị tú uyên thái thị tú uyên
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn câu sai?
1/3 = 45/135
-13/20 = 26/-40
4/15 = -16/-60
6/7 = -42/-49
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân số nào dưới đây bằng với phân số -2/5 ?
4/10
-6/15
6/15
-4/-10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x = 7
x = 5
x = 9
x = 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-20
-60
60
30
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho tập A = {1; -2; 3; 4}. Có bao nhiêu phân số có tử số và mẫu số thuộc A mà có tử số khác mẫu số và tử số trái dấu với mẫu số
9
6
3
12
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho năm số 2; 4; 8; 16; 32 . Số cặp các phân số bằng nhau từ bốn trong năm số trên là:
6
8
10
12
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