Ответ:
A=3B-C
B= (1 2 3)
(4 5 6)
3B= (3 6 9)
(12 15 18)
A = (3-0 6+4 9-7) = (3 10 2)
(12-1 15-1 18-6) (11 14 12)
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Ответ:
A=3B-C
B= (1 2 3)
(4 5 6)
3B= (3 6 9)
(12 15 18)
A = (3-0 6+4 9-7) = (3 10 2)
(12-1 15-1 18-6) (11 14 12)