Объяснение:
1).
2).
3).
[tex] \frac{3c - 9d}{6d - 2c} = \frac{3(c - 3d)}{2(3d - c)} = \frac{-3}{2} = - 1.5 [/tex]
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Объяснение:
1).
2).
3).
[tex] \frac{3c - 9d}{6d - 2c} = \frac{3(c - 3d)}{2(3d - c)} = \frac{-3}{2} = - 1.5 [/tex]