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Khởi động_Tiết 24.LTC

Authored by Yen Hai

Mathematics

6th Grade

Used 1+ times

Khởi động_Tiết 24.LTC
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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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