这是OG11数学补充本的第160题。 我看了半天解释也不懂。请nn帮忙看看!多谢! (题目可能很弱智, nn们不要笑我) 1 | 2 | 3 | 4 | 5 | 6 | 7 | -2 | -4 | -6 | -8 | -10 | -12 | -14 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | -4 | -8 | -12 | -16 | -20 | -24 | -28 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | -6 | -12 | -18 | -24 | -30 | -36 | -42 | 7 | 14 | 21 | 28 | 35 | 42 | 49 |
What is the sum of the integers in the table above? A ) 28 B) 112
C) 336 D) 448 E) 784 [em04][em04] |