Completa las tablas

5X7 = ____________________ , ____________________ = 20 , 7X8 = ____________________ , ____________________ = 24 , ____________________ = 63 , 9X5 = ____________________ , 4X4 = ____________________ , ____________________ = 49 , 3X9 = ____________________ , 2X8 = ____________________ , 9X9 = ____________________ , ____________________ = 30 , ____________________ = 32 , ____________________ = 21 , 4X9 = ____________________ ,