六年级:求阴影三角形面积
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=IXdA-VJkcK4
六年级:求阴影三角形面积 • • 数学,奥数,小学","styleRuns":[{"startIndex":0,"length":27,"styleRunExtensions":{"styleRunColorMapExtension":{"colorMap":[{"key":"USER_INTERFACE_THEME_DARK","value":4294967295},{"key":"USER_INTERFACE_THEME_LIGHT","value":4279440147}]}},"fontFamilyName":"Roboto"}]},"headerRuns":[{"startIndex":0,"length":27,"headerMapping":"ATTRIBUTED_STRING_HEADER_MAPPING_UNSPECIFIED"}]}},{"itemSectionRenderer":{"contents":[{"continuationItemRenderer":{"trigger":"CONTINUATION_TRIGGER_ON_ITEM_SHOWN","continuationEndpoint":{"clickTrackingParams":"CKUBELsvGAIiEwjs_qXTyvSLAxWgzEIFHbbVBy8=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/next"}},"continuationCommand":{"token":"Eg0SC0lYZEEtVkprY0s0GAYyJSIRIgtJWGRBLVZKa2NLNDAAeAJCEGNvbW1lbnRzLXNlY3Rpb24%3D","request":"CONTINUATION_REQUEST_TYPE_WATCH_NEXT"}}}}],"trackingParams":"CKUBELsvGAIiEwjs_qXTyvSLAxWgzEIFHbbVBy8=","sectionIdentifier":"comment-item-section","targetId":"comments-section"}}],"trackingParams":"CKQBELovIhMI7P6l08r0iwMVoMxCBR221Qcv"}},"secondaryResults":{"secondaryResults":{"results":[{"lockupViewModel":{"contentImage":{"collectionThumbnailViewModel":{"primaryThumbnail":{"thumbnailViewModel":{"image":{"sources":[{"url":"https://i.ytimg.com/vi/XEylLI2vhUA/hqdefault.jpg?sqp=-oaymwEwCKgBEF5IWvKriqkDIwgBFQAAiEIYAfABAfgBtgiAArgIigIMCAAQARhJIF4oZTAP rs=AOn4CLACbBRLdUzzqFcbyrGhyAfGJuuyjA","width":168,"height":94},{"url":"https://i.ytimg.com/vi/XEylLI2vhUA/hqdefault.jpg?sqp=-oaymwExCNACELwBSFryq4qpAyMIARUAAIhCGAHwAQH4AbYIgAK4CIoCDAgAEAEYSSBeKGUwDw== rs=AOn4CLDU9aiNWmnENquqguj6CkiDX9hnwg","width":336,"height":188}]},"overlays":[{"thumbnailOverlayBadgeViewModel":{"thumbnailBadges":[{"thumbnailBadgeViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAYLISTS"}}]},"text":"88 videos","badgeStyle":"THUMBNAIL_OVERLAY_BADGE_STYLE_DEFAULT","backgroundColor":{"lightTheme":1778470,"darkTheme":1778470}}}],"position":"THUMBNAIL_OVERLAY_BADGE_POSITION_BOTTOM_END"}},{"thumbnailHoverOverlayViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAY_ALL"}}]},"text":{"content":"Play all","styleRuns":[{"startIndex":0,"length":8}]},"style":"THUMBNAIL_HOVER_OVERLAY_STYLE_COVER"}}],"backgroundColor":{"lightTheme":2964031,"darkTheme":2964031}}},"stackColor":{"lightTheme":7179673,"darkTheme":7768979}}},"metadata":{"lockupMetadataViewModel":{"title":{"content":"數學動畫短片"},"metadata":{"contentMetadataViewModel":{"metadataRows":[{"metadataParts":[{"text":{"content":"Leo's 數學魔法屋
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