Ответ:
2,5²-49*2,5
[tex]( \frac{5}{2}) {}^{2} - 122.5[/tex]
[tex] \frac{25}{4} - \frac{245}{2}[/tex]
[tex] \frac{25 - 2 \times 245}{4} = - 116 \frac{1}{4} [/tex]
или -116,25
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Ответ:
2,5²-49*2,5
[tex]( \frac{5}{2}) {}^{2} - 122.5[/tex]
[tex] \frac{25}{4} - \frac{245}{2}[/tex]
[tex] \frac{25 - 2 \times 245}{4} = - 116 \frac{1}{4} [/tex]
или -116,25