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4.3 x. 3x 4 1 y при x -3 y -2. (4-Y)2-Y(Y+1) при y=-1/9. |-4|+|1-3x| при x=2,4. 4x 3 2 y при x -1 y -4.
3x 4 1 y при x -3 y -2. (4-Y)2-Y(Y+1) при y=-1/9. |-4|+|1-3x| при x=2,4. 4x 3 2 y при x -1 y -4.

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