Calculo mental umas 2 cifras + 1 cifra 001 Colegio Marista San José 4ºC – Curso 2008-2009 Luis Gutiérrez Martín - lgm@maristasleon.
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Transcript
Calculo mental
Sumas 2 cifras + 1 cifra 001
Colegio Marista San José4ºC – Curso 2008-2009
Luis Gutiérrez Martín - [email protected]
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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