Mathematics
Junior High
Resolved

矢印の7×5×3×2はどこからくるのか教えてください。

11 2 35 2 7x5 + + 7 30 61 210 7 5×3×2 2x(3x2)+7x7 7x5x3x2 12 +49 7x5x3x2

Answers

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