十位，加法，2个数目（进位）

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Age: 7-8
Level: 1
Language: Chinese (zh)
ID: 1013565
19/05/2021
Country code: MY
Country: Malaysia
School subject: Maths (1061822)
Main content: Maths (2012708)

Maths addition 加法十位，2个数目

Other contents: Addition

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十位，加法，2个数目（进位）

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