Loading ad... Erika Member for 3 years 7 months Age: 6-13 Level: Tercero - Elemental Language: Spanish (es) ID: 619833 08/01/2021 Country code: EC Country: Ecuador School subject: Matemáticas (1061956) Main content: Las propiedades de la suma (1978974) Conocer las propiedades de la suma Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...