
ON TAP HKI - TOAN 8
Authored by Nguyen Phuong
Mathematics
9th Grade
Used 24+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kết quả khai triển hằng đẳng thức (x + 2)2 = ..................................
x2 + 4x + 4
x2 + 2x + 4
x2 + 2x + 2
x2 + x + 4
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Hoàn chỉnh đẳng thức sau: x2 – 81= (x – 9).(.............)
x + 81
x - 81
x - 9
x + 9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả phép tính chia (6x6 – 2x4):2x2 = ........................
2x4 – x2
3x4 – x2
3x3 – x2
3x4 – 3x
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả phép nhân 2x2.(x3 + 1) = ......................
2x6 + 2x2
2x5 + 2
2x5 + 2x2
2x6 + 2
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho hình thang ABCD có AB //CD, biết AB = 6cm, CD = 10cm. Độ dài đường trung bình của hình thang này là: ............
4cm
32cm
8cm
16cm
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