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บวกลบ20
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%
0
0
0
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0+0+0+0+20
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8+5
13
Oops!
Okay!
7+8+1
16
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Okay!
5+5+5+5
25
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Okay!
7+4
11
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Okay!
1+1+1+2+2+2+2+2
13
Oops!
Okay!
9+9
18
Oops!
Okay!
9+1+1+1+1
13
Oops!
Okay!
8+9
17
Oops!
Okay!
5+6+6
17
Oops!
Okay!
8+6+3
17
Oops!
Okay!
9+9
18
Oops!
Okay!
6+6+6
18
Oops!
Okay!
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