Объяснение:
Решение:
[tex]s = 4 \times 0.45 = 2 \\ 1 = \frac{k \times 2 {}^{2} }{2 \\ } \\ 2 = k \times 4 \\ k = \frac{2}{4} = 0.5[/tex]
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Объяснение:
Решение:
[tex]s = 4 \times 0.45 = 2 \\ 1 = \frac{k \times 2 {}^{2} }{2 \\ } \\ 2 = k \times 4 \\ k = \frac{2}{4} = 0.5[/tex]