Respostas

2014-02-27T21:26:35-03:00
An = a1 + (an-1*r);
a10 = a1+a9*r;
51 = a1+45;
a1 = 6
1 3 1
2014-02-27T21:28:46-03:00
An=a1+(n-1)*r
51=a1+(10-1)*r
51=a1+9*5
a1=51-45
a1=6
1 4 1