NÚMERO
=
SUMA
EN
DECENAS
Y
UNIDADES
49
=
10
+
10
+
10
+
10
+
9
(
EJEMPLO
)
27
=
____________________
+
____________________
+
____________________
35
=
____________________
+
____________________
+
____________________
+
____________________
54
=
____________________
+
____________________
+
____________________
+
____________________
+
____________________
+
____________________
45
=
____________________
+
____________________
+
____________________
+
____________________
+
____________________
55
=
____________________
+
____________________
+
____________________
+
____________________
+
____________________
+
5
