E # 181 Familias de números (aka Operaciones inversas)

familiasop_multiplicacion_division_7_7_001-1-1 by Sheryl Rojas on Scribd

familiasop_multiplicacion_division_7_7_002-1-1 by Sheryl Rojas on Scribd

familiasop_multiplicacion_division_7_7_003-1-1 by Sheryl Rojas on Scribd