1 |
2 |
1 |
1×2 |
第2個(gè)數(shù):
1 |
6 |
1 |
2×3 |
第3個(gè)數(shù):
1 |
12 |
1 |
3×4 |
…
∴第100個(gè)數(shù):
1 |
100×101 |
1 |
10100 |
這100個(gè)數(shù)的和為:
1 |
2 |
1 |
6 |
1 |
12 |
1 |
10100 |
=(1-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
100 |
1 |
101 |
=1-
1 |
101 |
=
100 |
101 |
故答案為:
1 |
10100 |
100 |
101 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
2 |
1 |
1×2 |
1 |
6 |
1 |
2×3 |
1 |
12 |
1 |
3×4 |
1 |
100×101 |
1 |
10100 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
10100 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
100 |
1 |
101 |
1 |
101 |
100 |
101 |
1 |
10100 |
100 |
101 |