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兩位數的加減
0
%
0
0
0
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Restart
43-6
37
Oops!
Okay!
46+4
50
Oops!
Okay!
39-6
33
Oops!
Okay!
68-5
63
Oops!
Okay!
Oops!
Okay!
55-8
47
Oops!
Okay!
36-16
20
Oops!
Okay!
15+36
51
Oops!
Okay!
42+15
57
Oops!
Okay!
25+25
50
Oops!
Okay!
16+18
34
Oops!
Okay!
26-23
3
Oops!
Okay!
22+33
55
Oops!
Okay!
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