Ответ:
[tex](70 - 1 {)}^{2} = 7 {0}^{2} - 2 \times 70 \times ( - 1) + ( - 1 {)}^{2} = 6 {9}^{2} = 4761[/tex]
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Ответ:
[tex](70 - 1 {)}^{2} = 7 {0}^{2} - 2 \times 70 \times ( - 1) + ( - 1 {)}^{2} = 6 {9}^{2} = 4761[/tex]