Trong các cách viết sau, cách nào được gọi là phân tích 20 ra thừa số nguyên tố
Ôn tập chương 1 Toán 6

Quiz
•
Mathematics
•
6th Grade
•
Medium
Tuyên Bá
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14 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
20 = 4.5
20 = 2.10
20 = 22.5
20 = 10:2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phân tích 24 ra thừa số nguyên tố - cách tính đúng là:
24 = 4.6 = 22.6
24 = 23.3
24 = 24.1
24 = 2.12
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ƯCLN (18;60) là:
36
6
12
30
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
BCNN (4;6;8) là
2
12
192
24
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
BCNN(3;4;6;8;24) là
24
192
72
12
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cách tính đúng là:
22 . 23 = 25
22 . 23 = 26
22 . 23 = 46
22 . 23 = 45
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cách tính đúng:
43 . 44 = 412
43 . 44 = 1612
43 . 44 = 47
43 . 44 = 87
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