Respostas

  • Usuário do Brainly
2013-10-04T01:09:50-03:00
1,0*3 + 3,0*9 + 5,0*16 + 7,0*8 + 9,0*4
-------------------------------------- =
3 + 9 + 16 + 8 + 4

3,0 + 27,0 + 80,0 + 56,0 + 36,0
-----------------------------=
40

110 + 92
---------=
40

202:2----101
------ = -------- = 5,05 ( MEDIA )
40:2------20





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2013-10-04T02:56:30-03:00