
Khởi động_Tiết 24.LTC
Authored by Yen Hai
Mathematics
6th Grade
Used 1+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Phân tích số 24 ra thừa số nguyên tố là
23.3
8.3
6.4
2.12
1.24
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai số a và b được gọi là nguyên tố cùng nhau nếu
ƯC (a, b) = 1
ƯCLN (a, b) = 1
a và b là các số nguyên tố
BCNN (a, b) = 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ƯCLN (15, 30) = ?
30
15
5
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BCNN (3, 4, 5) = ?
0
20
15
60
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BCNN (6, 48) = ?
6
48
0
24
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ƯCLN (60, 90) = ?
30
15
10
20
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