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Càlcul mental - Quiz
Contributed by: Perez
  • 1. 12*12
A) 24
B) 122
C) 144
D) 121
  • 2. 13*13
A) 121
B) 169
C) 256
D) 196
  • 3. 15*15
A) 225
B) 256
C) 30
D) 1515
  • 4. 17*17
A) 298
B) 169
C) 361
D) 289
  • 5. 20*20
A) 200
B) 20
C) 400
D) 40
  • 6. 19*19
A) 121
B) 361
C) 39
D) 261
  • 7. 14+14
A) 144
B) 28
C) 256
D) 196
  • 8. 11*13
A) 133
B) 145
C) 153
D) 143
  • 9. 18*18
A) 364
B) 164
C) 264
D) 324
  • 10. 11*11
A) 1111
B) 22
C) 121
D) 111
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