จงหาผลลัพธ์ต่อไปนี้
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5 questions
[Deleted Account]
•over 6 years agoQuestion 1
Multiple Choice
1 point
2+1
A.1
B.2
C.3
D.4
Question 2
Multiple Choice
1 point
17+2
A.20
B.19
C.18
D.17
Question 3
Multiple Choice
1 point
3+8+9
A.20
B.21
C.22
D.23
Question 4
Multiple Choice
1 point
10+8-9
A.0
B.4
C.9
D.8
Question 5
Multiple Choice
1 point
18+20
A.30
B.35
C.38
D.40