Màquines simples

Màquines simples
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Instrucciones del autor

Marca les màquines que siguen simples.

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Needs and wants

Economics - Social Studies

Differentiating between needs and wants

Needs and Wants

Economics - Social Studies

Differentiating between needs and wants.

Sector terciario

Economics - Social Studies

Ficha del sector terciario

Productos y sectores

Economics - Social Studies

Ordenar secuencialmente productos desde el sector primario al terciario.