Respostas

2014-06-03T21:10:42-03:00
A) 4x=
b) 8ab2(ao quadrado)c=
c) -2ab=

Eu acho
2014-06-04T07:59:19-03:00
A) x+x+x+x= 4x
b) 2ab²c+5ab²c+ab²c=  2ab²c+5ab²c+1ab²c = 8ab²c
c) 0,34ab+ 0,66ab -3ab = 1 ab - 3 ab = -2ab
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