Toán 9 - Ôn tập HK1 - Toán TC
Authored by Thuần Thị
Mathematics
9th Grade
Used 6+ times
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90 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Căn bậc hai số học của 16 là :
4
-4
4 và -4
256
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2(x - 2)
2(2 - x)
2(x - 2)(x + 2)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5
0
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
21
11
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC vuông tại A, có AB = 3 cm; AC = 4 cm. Độ dài đường cao AH là:
5 cm
2 cm
2,6 cm
2,4 cm
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