
Trắc nghiệm tỉ lệ thức
Quiz
•
Mathematics
•
7th Grade
•
Hard
EDUCATION ALPHA
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a = c
a.c = b.d
a.d = b.c
b = d
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn câu sai. Nếu a.d = b.c và a, b, c, d ≠ 0 thì:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các tỉ số nào sau đây lập thành một tỉ lệ thức:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các tỉ lệ thức có thể được từ đẳng thức 5. (-27) = (-9).15 là:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho bốn số -3 ; 7; x ; y với y ≠ 0 và -3x = 7y, một tỉ lệ thức đúng được thiết lập từ bốn số trên là:
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