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18,9-7,4=
11,5
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Okay!
25,2+6,39=
31,59
Oops!
Okay!
7,6+0,3=
7,9
Oops!
Okay!
1.5+2,4=
3,9
Oops!
Okay!
8,69-0,17=
8,52
Oops!
Okay!
6,18-1,15=
5,03
Oops!
Okay!
2,5+2,4=
4,9
Oops!
Okay!
88,17-1,06=
87,11
Oops!
Okay!
1,5+1,2=
2,7
Oops!
Okay!
3,23+0,04=
3,27
Oops!
Okay!
8,85-2,53=
6,32
Oops!
Okay!
5,75+1,14=
6,89
Oops!
Okay!
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