Matrix mal Matrix

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<blockquote class="wp-embedded-content" data-secret="KgjDM2MBmp"><a href="https://1erschueler.com/kurs/matrix-mal-matrix/">Matrix mal Matrix</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://1erschueler.com/kurs/matrix-mal-matrix/embed/#?secret=KgjDM2MBmp" width="600" height="400" title="&#8222;Matrix mal Matrix&#8220; &#8212; 1erSchüler" data-secret="KgjDM2MBmp" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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