โฆษณา | ใช้งานแบบไม่มีโฆษณา
Age: 6-12
Level: Primero de primaria
Language: Spanish
(es)
ไอดี: 1016053
19/05/2021
Country code: MX
Country: Mexico
Main content: Suma y resta con decenas completas (1381918)
From worksheet author:
Sumar y restar mentalmente los sumandos usando decenas completas.
Other contents:
Decenas
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