Дано
$$left(300000 tright)^{2} + sqrt{left(- z + 19400right)^{2} + left(- x + 4000right)^{2} + left(- y + 6300right)^{2}} = 484000000$$
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/ 2 2 2 2
/ (19250 – x) + (5000 – y) + (20000 – z) + (300000*t) = 388090000
$$left(300000 tright)^{2} + sqrt{left(- z + 20000right)^{2} + left(- x + 19250right)^{2} + left(- y + 5000right)^{2}} = 388090000$$
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/ 2 2 2 2
/ (21000 – x) + (4500 – y) + (19000 – z) + (300000*t) = 400000000
$$left(300000 tright)^{2} + sqrt{left(- z + 19000right)^{2} + left(- x + 21000right)^{2} + left(- y + 4500right)^{2}} = 400000000$$
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/ 2 2 2 2
/ (19000 – x) + (7500 – y) + (8000 – z) + (300000*t) = 392040000
$$left(300000 tright)^{2} + sqrt{left(- z + 8000right)^{2} + left(- x + 19000right)^{2} + left(- y + 7500right)^{2}} = 392040000$$