Bài ôn các phép tính dạng 30 + 20, 50 - 20
Authored by Tuyết Nguyễn
Mathematics
1st - 5th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
30 - 20 = ?
50
10
20
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
70 + 20 = ?
90
50
80
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
30 - 30 = ?
60
50
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
80 + 10 = ?
81
90
70
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
50 - 10 = ?
49
50
40
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
70 + 20 - 10 = ?
90
80
70
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
60 - 30 + 40 = ?
70
80
90
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