The difficulties and key points of mathematics in the first grade, skillfully filling in the formula, and many babies lose points. Consolidate it quickly
author：Key information for young and primary school bridging
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The difficulties and key points of mathematics in the first grade, skillfully filling in the formula, and many babies lose points. Consolidate it quickly
The difficulties and key points of mathematics in the first grade, skillfully filling in the formula, and many babies lose points. Consolidate it quickly
The difficulties and key points of mathematics in the first grade, skillfully filling in the formula, and many babies lose points. Consolidate it quickly
The difficulties and key points of mathematics in the first grade, skillfully filling in the formula, and many babies lose points. Consolidate it quickly
The difficulties and key points of mathematics in the first grade, skillfully filling in the formula, and many babies lose points. Consolidate it quickly
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