Algebraisk tenkning Generalisering og negative tall

############################# Video Source: www.youtube.com/watch?v=B8PTPunzgeI

Hvordan kan vi begrunne reglen at minus x minus =plus (eller med andre ord -(-a)=a). Problemen er at mange konkreter vi bruker å forklare negative tall gir ingen mening når det kommer til å forklare regneregler for negative tall. Vi skal vise en begrunnelse som utnytter grunnlegende regneregler for tall. • Del av kurset MAT1003, vår 2021, Nord Universitet i Levanger","styleRuns":[{"startIndex":0,"length":367,"styleRunExtensions":{"styleRunColorMapExtension":{"colorMap":[{"key":"USER_INTERFACE_THEME_DARK","value":4294967295},{"key":"USER_INTERFACE_THEME_LIGHT","value":4279440147}]}},"fontFamilyName":"Roboto"}]},"headerRuns":[{"startIndex":0,"length":367,"headerMapping":"ATTRIBUTED_STRING_HEADER_MAPPING_UNSPECIFIED"}]}},{"itemSectionRenderer":{"contents":[{"continuationItemRenderer":{"trigger":"CONTINUATION_TRIGGER_ON_ITEM_SHOWN","continuationEndpoint":{"clickTrackingParams":"CKYBELsvGAIiEwiJ37G9m-CJAxW0wUIFHUfQK6U=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/next"}},"continuationCommand":{"token":"Eg0SC0I4UFRQdW56Z2VJGAYyJSIRIgtCOFBUUHVuemdlSTAAeAJCEGNvbW1lbnRzLXNlY3Rpb24%3D","request":"CONTINUATION_REQUEST_TYPE_WATCH_NEXT"}}}}],"trackingParams":"CKYBELsvGAIiEwiJ37G9m-CJAxW0wUIFHUfQK6U=","sectionIdentifier":"comment-item-section","targetId":"comments-section"}}],"trackingParams":"CKUBELovIhMIid-xvZvgiQMVtMFCBR1H0Cul"}},"secondaryResults":{"secondaryResults":{"results":[{"compactVideoRenderer":{"videoId":"mDy8L62745k","thumbnail":{"thumbnails":[{"url":"https://i.ytimg.com/vi/mDy8L62745k/hqdefault.jpg?sqp=-oaymwE8CKgBEF5IWvKriqkDLwgBFQAAAAAYASUAAMhCPQCAokN4AfABAfgBzgWAAuADigIMCAAQARhbIBQofzAP rs=AOn4CLCtWfiXZtz-TdPmqXRSzzwOzzGVyQ","width":168,"height":94},{"url":"https://i.ytimg.com/vi/mDy8L62745k/hqdefault.jpg?sqp=-oaymwE9CNACELwBSFryq4qpAy8IARUAAAAAGAElAADIQj0AgKJDeAHwAQH4Ac4FgALgA4oCDAgAEAEYWyAUKH8wDw== rs=AOn4CLB76ugN9IjtwhCkU8v2UImFjA1_ag","width":336,"height":188}]},"title":{"accessibility":{"accessibilityData":{"label":"Hva er et summetegn? door Alexander Schmeding 203 weergaven 3 jaar geleden 17 minuten"}},"simpleText":"Hva er et summetegn?"},"longBylineText":{"runs":[{"text":"Alexander Schmeding","navigationEndpoint":{"clickTrackingParams":"CJ8BEKQwGAAiEwiJ37G9m-CJAxW0wUIFHUfQK6UyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@alexanderschmeding2132","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCTIB6ykZCrpd0trFhiSETGw","canonicalBaseUrl":"/@alexanderschmeding2132"}}}]},"publishedTimeText":{"simpleText":"3 jaar geleden"},"viewCountText":{"simpleText":"203 weergaven"},"lengthText":{"accessibility":{"accessibilityData":{"label":"17 minuten en 33 seconden"}},"simpleText":"17:33"},"navigationEndpoint":{"clickTrackingParams":"CJ8BEKQwGAAiEwiJ37G9m-CJAxW0wUIFHUfQK6UyB3JlbGF0ZWRI4oPOz-7n9OEHmgEFCAEQ-B0=","commandMetadata":{"webCommandMetadata":{"url":"/watch?v=mDy8L62745k","webPageType":"WEB_PAGE_TYPE_WATCH","rootVe":3832}},"watchEndpoint":{"videoId":"mDy8L62745k","nofollow":true,"watchEndpointSupportedOnesieConfig":{"html5PlaybackOnesieConfig":{"commonConfig":{"url":"https://rr4---sn-5hnekn7s.googlevideo.com/initplayback?source=youtube oeis=1 c=WEB oad=3200 ovd=3200 oaad=11000 oavd=11000 ocs=700 oewis=1 oputc=1 ofpcc=1 msp=1 odepv=1 id=983cbc2fadbbe399 ip=5.34.180.98 initcwndbps=783750 mt=1731737836 oweuc="}}}}},"shortBylineText":{"runs":[{"text":"Alexander Schmeding","navigationEndpoint":{"clickTrackingParams":"CJ8BEKQwGAAiEwiJ37G9m-CJAxW0wUIFHUfQK6UyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@alexanderschmeding2132","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCTIB6ykZCrpd0trFhiSETGw","canonicalBaseUrl":"/@alexanderschmeding2132"}}}]},"channelThumbnail":{"thumbnails":[{"url":"https://yt3.ggpht.com/ytc/AIdro_k7vOgrkaITDwfqRes14bS-2vtE4oxAZeBu8OQEMhD2Aw=s68-c-k-c0x00ffffff-no-rj","width":68,"height":68}]},"trackingParams":"CJ8BEKQwGAAiEwiJ37G9m-CJAxW0wUIFHUfQK6VAmcfv7fqFr56YAQ==","shortViewCountText":{"accessibility":{"accessibilityData":{"label":"203 weergaven"}},"simpleText":"203 weergaven"},"menu":{"menuRenderer":{"items":[{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Toevoegen aan wachtrij"}]},"icon":{"iconType":"ADD_TO_QUEUE_TAIL"},"serviceEndpoint":{"clickTrackingParams":"CKMBEP6YBBgFIhMIid-xvZvgiQMVtMFCBR1H0Cul","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CKMBEP6YBBgFIhMIid-xvZvgiQMVtMFCBR1H0Cul","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"mDy8L62745k","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CKMBEP6YBBgFIhMIid-xvZvgiQMVtMFCBR1H0Cul","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["mDy8L62745k"],"params":"CAQ%3D"}},"videoIds":["mDy8L62745k"]}},{"clickTrackingParams":"CKMBEP6YBBgFIhMIid-xvZvgiQMVtMFCBR1H0Cul","openPopupAction":{"popup":{"notificationActionRenderer":{"responseText":{"simpleText":"Toegevoegd aan wachtrij"},"trackingParams":"CKQBELlqIhMIid-xvZvgiQMVtMFCBR1H0Cul"}},"popupType":"TOAST"}}]}},"trackingParams":"CKMBEP6YBBgFIhMIid-xvZvgiQMVtMFCBR1H0Cul"}},{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Delen"}]},"icon":{"iconType":"SHARE"},"serviceEndpoint":{"clickTrackingParams":"CJ8BEKQwGAAiEwiJ37G9m-CJAxW0wUIFHUfQK6U=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/share/get_share_panel"}},"shareEntityServiceEndpoint":{"serializedShareEntity":"CgttRHk4TDYyNzQ1aw%3D%3D","commands":[{"clickTrackingParams":"CJ8BEKQwGAAiEwiJ37G9m-CJAxW0wUIFHUfQK6U=","openPopupAction":{"popup":{"unifiedSharePanelRenderer":{"trackingParams":"CKIBEI5iIhMIid-xvZvgiQMVtMFCBR1H0Cul","showLoadingSpinner":true}},"popupType":"DIALOG","beReused":true}}]}},"trackingParams":"CJ8BEKQwGAAiEwiJ37G9m-CJAxW0wUIFHUfQK6U=","hasSeparator":true}}],"trackingParams":"CJ8BEKQwGAAiEwiJ37G9m-CJAxW0wUIFHUfQK6U=","accessibility":{"accessibilityData":{"label":"Actiemenu"}},"targetId":"watch-related-menu-button"}},"thumbnailOverlays":[{"thumbnailOverlayTimeStatusRenderer":{"text":{"accessibility":{"accessibilityData":{"label":"17 minuten en 33 seconden"}},"simpleText":"17:33"},"style":"DEFAULT"}},{"thumbnailOverlayToggleButtonRenderer":{"isToggled":false,"untoggledIcon":{"iconType":"WATCH_LATER"},"toggledIcon":{"iconType":"CHECK"},"untoggledTooltip":"Later bekijken","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CKEBEPnnAxgBIhMIid-xvZvgiQMVtMFCBR1H0Cul","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"addedVideoId":"mDy8L62745k","action":"ACTION_ADD_VIDEO"}]}},"toggledServiceEndpoint":{"clickTrackingParams":"CKEBEPnnAxgBIhMIid-xvZvgiQMVtMFCBR1H0Cul","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"action":"ACTION_REMOVE_VIDEO_BY_VIDEO_ID","removedVideoId":"mDy8L62745k"}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Later bekijken"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CKEBEPnnAxgBIhMIid-xvZvgiQMVtMFCBR1H0Cul"}},{"thumbnailOverlayToggleButtonRenderer":{"untoggledIcon":{"iconType":"ADD_TO_QUEUE_TAIL"},"toggledIcon":{"iconType":"PLAYLIST_ADD_CHECK"},"untoggledTooltip":"Toevoegen aan wachtrij","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CKABEMfsBBgCIhMIid-xvZvgiQMVtMFCBR1H0Cul","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CKABEMfsBBgCIhMIid-xvZvgiQMVtMFCBR1H0Cul","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"mDy8L62745k","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CKABEMfsBBgCIhMIid-xvZvgiQMVtMFCBR1H0Cul","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["mDy8L62745k"],"params":"CAQ%3D"}},"videoIds":["mDy8L62745k"]}}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Toevoegen aan wachtrij"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CKABEMfsBBgCIhMIid-xvZvgiQMVtMFCBR1H0Cul"}},{"thumbnailOverlayNowPlayingRenderer":{"text":{"runs":[{"text":"Wordt nu afgespeeld"}]}}}],"accessibility":{"accessibilityData":{"label":"Hva er et summetegn? - 17 minuten - Naar kanaal gaan - Alexander Schmeding - 203 weergaven - 3 jaar geleden - video afspelen"}}}},{"lockupViewModel":{"contentImage":{"collectionThumbnailViewModel":{"primaryThumbnail":{"thumbnailViewModel":{"image":{"sources":[{"url":"https://i.ytimg.com/vi/yopjGWUNAFU/hqdefault.jpg?sqp=-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ== rs=AOn4CLBl91t_-VOJ0UgZoz-kotl3__jFjg","width":168,"height":94},{"url":"https://i.ytimg.com/vi/yopjGWUNAFU/hqdefault.jpg?sqp=-oaymwEXCNACELwBSFryq4qpAwkIARUAAIhCGAE= rs=AOn4CLC6brx5sCG8A2iw7SDXzlxv19JCXA","width":336,"height":188}]},"overlays":[{"thumbnailOverlayBadgeViewModel":{"thumbnailBadges":[{"thumbnailBadgeViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAYLISTS"}}]},"text":"45 video's","badgeStyle":"THUMBNAIL_OVERLAY_BADGE_STYLE_DEFAULT","backgroundColor":{"lightTheme":3222835,"darkTheme":3222835}}}],"position":"THUMBNAIL_OVERLAY_BADGE_POSITION_BOTTOM_END"}},{"thumbnailHoverOverlayViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAY_ALL"}}]},"text":{"content":"Alles afspelen","styleRuns":[{"startIndex":0,"length":14}]},"style":"THUMBNAIL_HOVER_OVERLAY_STYLE_COVER"}}],"backgroundColor":{"lightTheme":4012095,"darkTheme":4012095}}},"stackColor":{"lightTheme":9668761,"darkTheme":8879500}}},"metadata":{"lockupMetadataViewModel":{"title":{"content":"Infinite dimensional geometry"},"metadata":{"contentMetadataViewModel":{"metadataRows":[{"metadataParts":[{"text":{"content":"Alexander Schmeding

#############################

New on site