คณิตศาสตร์คณิตศิลป์ 1
DESCRIPTION
คณิตTRANSCRIPT
1
() () 55(ha ha)
1+2+3++10 1 .. 2 ..
3 4 55(ha ha) ...... 1) 4+5+6++13
=
2) 6+7+8++15
=
3) 12+13+14++21
=
4) 105+106+107++114= 5) 200+201+202++209=
6) 501+502+503++510=
*** ! ? 3+4+5+14
. .. .
1
1 1
1 (/
(/2.1
1.4.1/1
6.1.1-3/1
.1-3/2
.1-3/3
.1-3/4
.1-3/5
.1-3/6
2.2
1.
2. (3.1 1. 2.
3.2 -(4.1
4.2
-
- 4.3
(
1.
2.
3. ( () 11. 4 ( 7, 9 ( 8 2. 18
3. 1 2 9 2 3 6 3 6 3 4 9 2 5 18 1
4.
- 18 1, 2, 3, 6, 9 18 ( 1 18, 2 9, 3 6,
18 )
1, 2, 3, 6, 9, 18 185.
-
18 1, 2, 3, 6, 9 186. 1.1 1 7. 8. 9. 1.1 1-4 (
60
1.1 1.1 60
2
2
(/8.1
1. .1 1
2. 1.1 8.2
1.
2. 1.1
112
224
328
432
536
645
748
850
954
1062
1189
12120
13282
14351
15506
1.1
1121, 2, 3, 4, 6, 126
2241, 2, 3, 4, 6, 8, 12, 248
3281, 2, 4, 7, 14, 286
4321, 2, 4, 8, 16, 326
5361, 2, 3, 4, 6, 9, 12, 18, 369
6451, 5, 9, 454
7481, 2, 3, 4, 6, 8, 12, 16, 24, 4810
8501, 2, 5, 10, 25, 506
9541, 2, 3, 6, 9, 18, 27, 548
10621, 2, 31, 624
11891, 892
121201, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 12016
132821, 2, 3, 47, 141, 2826
143511, 3, 9, 13, 27, 39, 117, 3518
155061, 2, 11, 22, 23, 46, 253, 5068
20
43214321432143214321
=
4
=
3
=
2
=1
17 - 2013 - 169 - 125 - 8
.............................................................................. ......................./.........................../.......................................................................... 1...............................................................................2...............................................................................
3...............................................................................4...............................................................................
5...............................................................................6...............................................................................
4321
1
2
3
4
5
.............................................................................. ......................./.........................../........................=
4
=
3
=
2
=1
17-2013-169-125-8
15