Missing variable addition subtraction

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Edad: 7-8
Level: 2
Idioma: English (en)
ID: 984438
08/05/2021
Country code: CA
Country: Canada
Asignatura: Math (1061955)
Tema principal: Algebra (2012775)
From worksheet author:

find the missing variable in the addition and subtraction expressions

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Missing variable addition subtraction

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