Age: 5-6
Level: 1
Language: Vietnamese
(vi)
ไอดี: 1762739
31/12/2021
Country code: VN
Country: Vietnam
Main content: Phép cộng (2011532)
From worksheet author:
Phép cộng trong phạm vi 20
Other contents:
Cộng trong phạm vi 12
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