2 số cộng trừ 2 số
Authored by Gió Mùa
Mathematics
Professional Development
Used 21+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
41
56
-21
76
77
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
31
66
-66
31
32
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
72
26
-55
43
44
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
58
-56
32
34
35
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
79
-16
11
74
75
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
92
-61
63
94
93
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
52
-52
46
46
45
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