RUNG CHUÔNG VÀNG
Authored by Xuân Dư
Mathematics
Professional Development
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2,23 : 100
A. 0,223
B. 0,0232
C. 0,0223
D. 223
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
47 x 5,5 - 47 x 4,5
A. 47
B. 0,47
C. 0, 047
D. 47,00
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
20,25 x 0,001
A. 0,2025
B. 0,0202
C. 20250
D. 0,02025
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Tìm số tự nhiên x biết:
2,5 < x < 7
1
2
4 và 3
5 và 6
7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
45,08 + 24,97
A. 71,05
B. 70,05
C. 71,50
D. 70,50
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3,49 + 5,7 + 1,51
A. 10,7
B. 9,7
C. 107
D. 97
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
72 ha .................km2
A. 72/ 100
B. 0,72
C. 720
D. 7200
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