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Demonstration model for deriving calculation formulas for pi and circular area in accordance with the new curriculum standards

Demonstration model for deriving calculation formulas for pi and circular area in accordance with the new curriculum standards

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  • date: 2024-09-04 12:15:04
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宁波普教仪器
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New Curriculum Standards for Colored Double sided Double color Paper

New Curriculum Standards for Colored Double sided Double color Paper

Fire blanket

Fire blanket

Circular fractional model

Circular fractional model

Score based new curriculum standards

Score based new curriculum standards

Diamond structure model

Diamond structure model

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