
Kiểm Tra Giữa Học Kỳ II Toán 7
Quiz
•
Others
•
7th Grade
•
Practice Problem
•
Hard
Ngân Vũ
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu a.d=b.c và a,b,c,d≠0 thì:
A. \frac{d}{c} = \frac{b}{a}.
B. \frac{b}{a} = \frac{c}{d}.
C. \frac{b}{c} = \frac{d}{a}.
D. \frac{d}{a} = \frac{b}{c}.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho x và y là hai đại lượng tỉ lệ nghịch. Hỏi giá trị của a và b trong bảng sau là bao nhiêu?
A. 3; 12a b= =
B. 4; 10a b= =
C. 10; 4a b= =
D. 12; 3a b= =
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho biết m và n là hai đại lượng tỉ lệ thuận và khi 2m=− thì 10n=.
A. 5m n= −
B. 5n m= −;
C. 5m n=;
D. 20m n= −
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bộ 3 độ dài nào sau đây là độ dài ba cạnh của một tam giác?
A. 3cm, 4cm, 5cm
B. 1cm, 3cm, 5cm
C. 1cm, 2cm, 3cm
D. 2cm, 4cm, 6cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một tam giác cân có góc ở đỉnh bằng 76 độ. Mỗi góc ở đáy có số đo là:
A. 38 độ
B. 52 độ
C. 104 độ
D. 76 độ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC và tam giác DEF có AB=EF;BC=FD;AC=ED; Â=Ê;B̂=F̂;Ĉ=D̂. Khẳng định nào dưới đây đúng?
A. △ABC=△DEF
B. △ABC=△FDE
C. △ABC=△EFD
D. △ABC=△EDF
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Tìm số hữu tỉ x, y trong các tỉ lệ thức sau: a) \frac{30}{4} = \frac{x}{24} b) \frac{2}{5} = \frac{x}{y} và 9x - y = -
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