1. 411 / 3 = 137. Sunt 137 de termeni.
2. a+b+c = 432 => 143+144+145 . B = 144
3. a+b+c = 2014a+b = 908b+c = 1008.
a+1008 = 2014.
a = 2014-1008a= 1006.
1006 + b = 908
b = - 98
c = 1008 + 98 = 1106
1006 - 98 + 1106
4. -
5-
6. a = 2b.
b = 2c
a/4 = 71
a = 71 x 4 = 284
284 = 2b | 2
b = 142
142 = 2c | 2
71 = c