- (4,1а + 1,7b) + (1,9b - 2,7a) - (1,1b - 5,1a)
- 4,1a - 1,7b + 1,9b - 2,7a - 1,1b + 5,1a
- 1,7a - 0,9b
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Answers & Comments
- (4,1а + 1,7b) + (1,9b - 2,7a) - (1,1b - 5,1a)
- 4,1a - 1,7b + 1,9b - 2,7a - 1,1b + 5,1a
- 1,7a - 0,9b