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Matema
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Age 7-8
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level: Primaria
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Italian
คำแนะนำของผู้เขียน
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Matema
-
Addizioni e sottrazioni
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Age 7-8
-
level: Primaria
-
Italian
คำแนะนำของผู้เขียน
Addizioni in colonna con e senza cambio.
Sottrazioni in colonna senza cambio.