Cho dãy số: 5; 10; 15; ... ; 25; 30. Số cần điền vào chỗ trống là:
Chinh phục thử thách (vòng 3)

Quiz
•
Mathematics, Science, English
•
2nd Grade
•
Easy
thảo phương
Used 2+ times
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45 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
16
30
20
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
60cm = ... dm?
6
60
16
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
21 giờ hay còn gọi là:
9 giờ sáng
9 giờ tối
9 giờ đêm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính: 52 – 28 + 6 = ?
20
25
30
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm y, biết: y + 45 = 100 – 55
90
10
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm a, biết: 67 – a = 4 x 9
31
35
41
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một can đựng được 2l nước mắm. Hỏi 6 can như thế đựng được bao nhiêu lít nước mắm?
12 can nước mắm
3l nước mắm
12l nước mắm
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