Выберите тождественно равные выражения и составьте тождество 1]ab+3c, 2] a-b-c, 3] 8[a+b-c], 4] 1/4a*4/5b*5/6c, 5] -1[b+c-a], 6] 3c+ab, 7] 8a+8b-8c, 8] 1/6 abc.
1]ab+3c, 2] a-b-c, 3] 8[a+b-c], 4] 1/4a*4/5b*5/6c, 5] -1[b+c-a], 6] 3c+ab, 7] 8a+8b-8c, 8] 1/6 abc. 2 = 5) a-b-c = -1[b+c-a], 3 = 7) 8a+8b-8c = 8[a+b-c] 1 = 6) 3c+ab = ab+3c