లాగిన్ చేయి
1950s: Hand with pencil solves multiplication problem on pad of paper.
1960s: Coronet production slate board in hand. Girl counts up work in silence. Maths equation on paper. Pencil points at numbers on paper.
1960s: Close up, pencil writing equation on paper. Writing on paper. Pencil writes equation.
1940s: Boy at desk talks while others listen. Boy takes a pad of paper. He writes out math equations on figuring scale.
1950s: Hand with pencil solves multiplication problem on pad of paper.
1950s: Steps shown for multiplying numbers. Film slate.
1960s: Boy sits at a desk and talks. His pencil points to denominators in a fraction addition problem. The boy smiles then looks to the side.

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1086653543
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స్టాక్ వీడియో ID: 1086653543

1950s: Hand with pencil solves multiplication problem on paper.

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అప్‌లోడ్ తేదీ: 8, ఫిబ్ర 2022

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