三角板の動画素材 1ページ目

Young woman college teacher at desk in classroom in front of chalkboard explains geometry lesson to students, writing drawing on board. Education concept

Close-up slow motion of female hand writing formula on chalkboard while woman student learning in high school. Education and science concept.

古木の卓上で灯るジャックオーランタン

灯り背景の小さな南瓜と蝙蝠飾り

光を映すガラス南瓜と蝙蝠の演出

古木の卓上で灯るジャックオーランタン

金属質ジャックが集う暖色の卓上

女性が青白縞布を背に木の板に並べたいちご型のスイカを見つめる

溶ける蝋のかぼちゃが灯る夜の卓上

木彫りのジャックが並ぶ落ち着く夜

女性が肩の痛みを抑えて顔をしかめる

African American man mathematics teacher writing formula on chalkboard turning to camera and speaking teaching maths. Education and science concept.

Experienced scientist senior man walking near chalkboard thinking about formula concentrated on mathematics. Knowledge and science concept.

High school teacher senior woman writing formula on chalkboard and speaking teaching algebra in class. Education and people concept.

Senior person high school professor teaching class pointing at formula on chalkboard and speaking looking at students. Education and science concept.

Close-up of female hand teacher writing maths formula on board with chalk focused on teaching in classroom. Knowledge and science concept.

Intelligent African American man writing formula on chalkboard concentrated on maths equation in college classroom. Science and education concept.

A close-up of geometric glass panels with raindrops forming patterns on a modern building in Tokyo

Fast motion of man in suit college professor writing on chalkboard focused on science and research. Modern education and inteigent person concept.

Pensive senior man professor looking at chalkboard with formula holding glasses thinking about science in university. Education and knowledge concept.

Man college teacher in classroom in front of chalkboard explaining geometry lesson for students, draws simple triangle. Education concept.

African American physics teacher writing equation on chalkboard teaching in class. Science and academic education concept.

Slow motion of Asian lady professor writing on chalkboard while computer with chroma key green screen visible on desk. Education and technology concept.

Smart African American person writing mathematics formula on chalkboard working at science research in institute. Education and science concept.

Man college teacher in classroom in front of chalkboard explaining geometry lesson for students, wiping board. Education concept.