rayankm69 rayankm69
  • 22-11-2022
  • Mathematics
contestada

calcule les sommes en regroupant les nombres positifs puis les nombres négatifs.
A = (+ 17) + (- 5) + (+ 4) + (+ 5) + (- 3)
B = (- 12) + (- 4) + (+ 7) + (+ 8) + (- 6)
C = (-3) + (+ 5,4) + (- 4,8) + (+ 6,6) + (- 1)
D = (+ 1,2) + (+ 4,2) + (+ 7,1) + (- 6,7)

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