calculo mental

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Calculo mental. Sumas 2 cifras + 1 cifra 001. Colegio Marista San José 4ºC – Curso 2008-2009 Luis Gutiérrez Martín - lgm@maristasleon.com. 13+4=. 70+9=. 81+5=. 92+3=. 84+2=. 72+7=. 21+7=. 44+4=. 65+5=. 71+4=. 84+3=. 53+7=. 41+8=. 81+3=. 13+6=. 64+4=. 40+5=. 57+3=. 33+3=. - PowerPoint PPT Presentation

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Calculo mental

Sumas 2 cifras + 1 cifra 001

Colegio Marista San José4ºC – Curso 2008-2009

Luis Gutiérrez Martín - lgm@maristasleon.com

13+4=

70+9=

81+5=

92+3=

84+2=

72+7=

21+7=

44+4=

65+5=

71+4=

84+3=

53+7=

41+8=

81+3=

13+6=

64+4=

40+5=

57+3=

33+3=

30+9=

22+6=

41+1=

62+7=

81+8=

92+2=

64+6=

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