NOMBRE ______________________________ FECHA _______________
ACTIVIDAD
(PÁGINA 1 DE 2)
20 − _______________ = 18 | 28 − _______________ = 18 |
10 + _______________ = 18 | _______________ + 6 = 18 |
_______________ − 1 = 18 | 9 + _______________ = 18 |
2 + _______________ = 18 | 18 = _______________ + 7 |
_______________ + 4 = 18 | 18 = 5 + _______________ |