Mecave_2 Member for 2 years 5 months Age: 9-10 Level: Cuarto de Primaria Language: Spanish (es) ID: 935910 22/04/2021 Country code: PE Country: Peru School subject: Matemáticas (1061956) Main content: Adición (2012295) Resolvemos problemas aplicando cálculo mental Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF