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Member for
3 years 11 monthsAge: 7
Level: 一年级
Language: Chinese
(zh)
ID: 297351
07/07/2020
Country code: MY
Country: Malaysia
Main content: 加法 (2008785)
From worksheet author:
以竖式加一加，然后将代表答案的数目拖曳至空格里。
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