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додавання та віднімання
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88-22=
66
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Okay!
87-54=
33
Oops!
Okay!
99-0=
99
Oops!
Okay!
38+85=
121
Oops!
Okay!
65-11=
54
Oops!
Okay!
67-34=
33
Oops!
Okay!
55+55=
110
Oops!
Okay!
27+29=
56
Oops!
Okay!
15+15=
30
Oops!
Okay!
23-17
6
Oops!
Okay!
99+1=
100
Oops!
Okay!
80-55=
25
Oops!
Okay!
24+24=
48
Oops!
Okay!
77-77=
0
Oops!
Okay!
47+24=
71
Oops!
Okay!
89-75-4+44+36+20-10=
100
Oops!
Okay!
1000+0=
1000
Oops!
Okay!
80-2=
78
Oops!
Okay!
13+72=
85
Oops!
Okay!
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