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Приклад 1. x 4 2x 3 5x 2 1 A Bx C Dx E
x x 2 1 2 x x 2 1 x 2 1 2
2
x 4 2x 3 5x 2 1 xA 2 1 Bx C x 2 1 x Dx E x
BA x 4 Cx 3 2A B D x 2 C E x A
BA 1 A 1
C 2 B 2
2A B D 5 C 2
C E 0 D 5
A 1 E 2
x 4 2x 3 5x 2 1 1 2x 2 5 x 2
2
x x 2 1 x x 2 1 x 2 1 2