Imprimir Completar texto: Problemas matemáticos (tercer grado educación básica)

1 200 5 15 60 60 10

30 + ____________________ = 45

10 - ____________________ = 5

50 + 10 = ____________________

100 - ____________________ = 40

5 + 5 = ____________________

19 + ____________________ = 20

____________________ + 20 = 22 0