А) (1,1x - 0,21c) + (2,2x - 4b) - (3,3x - 4b) = B) (2,31x - 2,37c) - (2,47x - 0,33c) - (2,4c - 0,16x) = C) - (0,1a + 1,1b) - (0,7b - 1,05a) - (1,1b + 0,95a) = D) (a + c) • (- 2,1) - (5,3a - 2,1c) = E) 2,06 • (x - c) + (1,03x - 2,51c) • (- 2) =
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