Photos 2T 4 5T

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2t 4 5t. X=5+4t-t^2. 5 T 2- 4 T = 0. 5t-t^2>0. 0 2t+1.7t-0.54 0.22 решение.
X=5+4t-t^2. 5 T 2- 4 T = 0. 5t-t^2>0. 0 2t+1.7t-0.54 0.22 решение.

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