1 |
3+6 |
1 |
3+6+9 |
1 |
3+6+9+12 |
1 |
3+6+9+12+…+150 |
=
1 |
3 |
1 |
1+2 |
1 |
1+2+3 |
1 |
1+2+3+4 |
1 |
1+2+3+4+…+50 |
=
1 |
3 |
2 |
2×(2+1) |
2 |
3×(3+1) |
2 |
4×(4+1) |
2 |
50×(50+1) |
=
2 |
3 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
1 |
50 |
1 |
51 |
=
2 |
3 |
1 |
2 |
1 |
51 |
=
2 |
3 |
49 |
102 |
=
49 |
153 |
1 |
3+6 |
1 |
3+6+9 |
1 |
3+6+9+12 |
1 |
3+6+9+12+…+150 |
1 |
3+6 |
1 |
3+6+9 |
1 |
3+6+9+12 |
1 |
3+6+9+12+…+150 |
1 |
3 |
1 |
1+2 |
1 |
1+2+3 |
1 |
1+2+3+4 |
1 |
1+2+3+4+…+50 |
1 |
3 |
2 |
2×(2+1) |
2 |
3×(3+1) |
2 |
4×(4+1) |
2 |
50×(50+1) |
2 |
3 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
1 |
50 |
1 |
51 |
2 |
3 |
1 |
2 |
1 |
51 |
2 |
3 |
49 |
102 |
49 |
153 |