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SUMAS MENTALMENTE RAPIDAS
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10283+89717
100000
Oops!
Okay!
118+333
451
Oops!
Okay!
83+(7+5)
95
Oops!
Okay!
48+17
65
Oops!
Okay!
25+5
30
Oops!
Okay!
62+9
71
Oops!
Okay!
1+1
2
Oops!
Okay!
666+72
738
Oops!
Okay!
300+50+6
356
Oops!
Okay!
47+42
89
Oops!
Okay!
893+107
1000
Oops!
Okay!
1+849
850
Oops!
Okay!
12+(10+10)
32
Oops!
Okay!
26+209
235
Oops!
Okay!
1028+673
1701
Oops!
Okay!
273+73
346
Oops!
Okay!
25+25
50
Oops!
Okay!
3+38
41
Oops!
Okay!
26+73
99
Oops!
Okay!
738+272
1010
Oops!
Okay!
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