
bài ôn luyện số 3
Authored by lanhuong vu
Biology, World Languages, Mathematics
KG
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
6 + 7 =
23
13
31
11
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
12 + 8 = 20. Vậy 20 là
Hiệu
Tổng
số hạng
số trừ
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Chọn ý so sánh đúng:
23 < 32
12 > 13
17 < 18
12 + 5 = 8 + 9
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
9 + 8 - 2 =
16
17
15
14
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
8 + 7 + 5 =
18
17
19
20
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
6 + 9 - 1 =
15
14
13
16
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Số liền trước của số 65 là số?
67
64
65
66
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