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15 December, 16:10

Add or subtract.

7z2 - 2z4 - 2z2 - 5z4

+3
Answers (2)
  1. 15 December, 19:49
    0
    The answer to your problem is - 18z.
  2. 15 December, 19:59
    0
    the answers to your promblem - 18z
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