証明三角形の面積

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=ZKjMQ97xPDg

三角形の面積の公式を、「多数の小さな長方形に分割して、それらの面積を足す方法」で説明しました。","styleRuns":[{"startIndex":0,"length":47,"styleRunExtensions":{"styleRunColorMapExtension":{"colorMap":[{"key":"USER_INTERFACE_THEME_DARK","value":4294967295},{"key":"USER_INTERFACE_THEME_LIGHT","value":4279440147}]}},"fontFamilyName":"Roboto"}]},"headerRuns":[{"startIndex":0,"length":47,"headerMapping":"ATTRIBUTED_STRING_HEADER_MAPPING_UNSPECIFIED"}]}},{"itemSectionRenderer":{"contents":[{"messageRenderer":{"text":{"runs":[{"text":"Comments are turned off. 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証明 三角形の面積

証明三角形の面積