Seudónimo Seudónimo
  • 20-10-2016
  • Mathematics
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can u help me please :)

can u help me please class=

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Аноним Аноним
  • 21-10-2016
She has to go down 4, back up to 0, and then up another 4, then back to 0.If positive 1 represents the first level above ground, negative numbers are a good choice to represent levels below ground. 8 flights; starting at -4 and moving to 4.
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