లాగిన్ చేయి
1960s: Close up, equations written on paper, pencil points to numbers.
1960s: Boy at a desk listens. Two open paint cans turn into measure glasses with paint. One has ⅓ and the other ½. One now has 56 and other empty. Problem "½ + ⅓" Boy writes 56. Boy listens.
1960s: Close up, equation written on paper, pencil writes in solution, pan to equation. Writing on paper. Equation, pencil writes in solution.
1950s: Hand with pencil solves multiplication problem on pad of paper.
1950s: Hand with pencil solves multiplication problem on paper.
1960s: Hands set a ⅓ of a circle piece and stacks two 16 pieces on top. He adds another 16 piece. Hand writes and solves "26 + 16 = 36" He places a ½ piece over the stack. Reduces answer to ½.
1960s: Close up, pencil writing equation on paper. Writing on paper.

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1086505673
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స్టాక్ వీడియో ID: 1086505673

1960s: Close up, pencil writing equation on paper. Writing on paper. Pencil writes equation.

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అప్‌లోడ్ తేదీ: 5, ఫిబ్ర 2022

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