sam3531
sam3531 sam3531
  • 26-01-2022
  • Mathematics
contestada

Help me with these questions plz

Help me with these questions plz class=

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harpsickle213
harpsickle213 harpsickle213
  • 26-01-2022
a) i) - 1 + 2 + -3 = -2
ii) 4 - 9 = -5

b) i) xy
ii) y * y+1 ??
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