Cộng trừ nhẩm siêu tốc
Authored by Vũ Tiến Thành
Mathematics
3rd - 5th Grade
Used 763+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
29 + 48 =
67
77
87
76
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
34 + 58 =
92
82
93
84
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
34 + 98 =
132
133
122
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
76 - 38 =
38
48
28
36
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
57 - 29 =
38
28
29
39
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
157 - 99 =
57
58
56
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
640 nghìn + 180 nghìn =
720 nghìn
820 nghìn
920 nghìn
810 nghìn
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