arlenevilla5
arlenevilla5 arlenevilla5
  • 18-09-2015
  • Mathematics
contestada

Can you find the sum [5.5+{-2.3]+[-5.5+2.3} without performing any addition

Respuesta :

Аноним Аноним
  • 18-09-2015
[tex]\sf = 5.5-2.3-5.5+2.3 \\ \\ =3.2-5.5+2.3 \\ \\ =3.2+-3.2 \\ \\ =0 \\ [/tex]
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