作业帮智能口算 一年级上册 - Tapa blanda

Homework to help intelligent oral arithmetic. first grade. synchronous practice arithmetic problems. intelligent correction(Chinese Edition)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2021-05-01 Publisher: Xi'an Publishing House Homework Helps Smart Oral Arithmetic is a synchronized teaching aid for primary schools that is deeply involved and polished by the homework help mathematics teaching and research team. It is applicable to all regions of the country.?Relying on homework to help 300 million + question bank accurately screened good oral calculation questions. efficiently improve children's verbal calculation. quick calculation. w. Nº de ref. del artículo: NV045218

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