Respostas

2014-07-17T16:57:59-03:00
A1.0,08=R

A11= A1+10R
36=A1+10.(A1.0,08)
36=A1+0,8A1 ->MMC
36=18/10A1
36.10=18A1
360/18=A1
20=A1

A11=A1+(11-1).R
36=20+10R
16=10R
16/10=R
8/5=R

A26=20+25R
A26=20+25.8/5
A26=60

S = (A1+AN).N
            2

S = (20+60).26
             2
S=80.13
S=1040
2 3 2