CTFd
เป็นส่วนหนึ่งของวิธีคำนวณหา เลขดับสองตัวล่าง
วิธีหาสองตัวล่าง จะได้เลขดับล่าง จากการคำนวณ
สูตร1
1. 842 91
3.239
33 35 36
20 21 22 24 25 26 27
90 91 94 95 96 97 99
สูตร2 ใช้หลักหน่วยจากสูตร1 จากวิธีการคำนวณนี้ จะได้เลขดับ จากเลขที่ไม่มีในหลักหน่วย
= มาครบล่าง
2.356012479-8 = 91
--------------------------------
2. 763 22
3.248
20 21 22 27
40 41 44 45 46 47 49
80 81 86 87 88
2.01246789-35
-------------------------------------------
3. 16-9-14 (269 35)
3.037
00 01 02 04 05
31 32 33 34 35
71 72 74 75 77
2.0123457-689
---------------------------------------------
4. 1-10-14 (615 44)
3.480
42 44 54 49
82 85 86 88 89
00 02 03 05 06 09
2. 0245689-137
--------------------------------------------
5. 16-10-14 (409 94)
3.1289
10 11 13 14 16 17
22 23 24 26 27
83 84 86 87 88
93 94 96 97 99
2. 012346789-5
-----------------------------------------------
6. 1-11-14 608 44
3.047
00 02 08 09
42 44 45 46 48 49
72 77 78 79
2.02456789-13
----------------------------------------------
7. 16-11-14 (804 25)
3.16
11 13 17
62 63 64 65 66 67 68
2.12345678-09
---------------------------------------------
8. 1-12-14 (449 11)
3.589
51 53 54 55 57
81 83 84 87 88
91 93 94 97 99
2.1345789-026
---------------------------------------------
9. 16-12-14 [354 90]
3.09
00 02 05 08
92 95 98 99
2.02589-1347
------------------------------------------
10. 30-12-14 [704 57]
3.035
31 32 33 38
00 01 02 08
51 52 55 56 57 58 59
2. 012356789-4
-------------------------------------------
16-01-15
3.589
50 52 53 55 56
80 82 83 86 88
91 97 99
2.01235689-4 = 012356789
--------------------------------------------
วิธีหาสองตัวล่าง จะได้เลขดับล่าง จากการคำนวณ
สูตร2
1. 842 91
01347-2389-92 = 0123489-56
0123489 = 91
CTFd1. 356012479-8
0123489-8 = 012349 = 91
----------------------------------------
2. 763 22
25689-2348-24 = 2345689-107
2345689 = 22
CTFd2.01246789-35
2346789-37 = 246789 = 22
----------------------------------------
3. 269 35
03679-0378-45 = 03456789-12
03456789 = 35
CTFd 2.0123457-689
03456789-689 = 03457 = 35
------------------------------------------
4. 615 44
01478-3468-09 = 01346789-25
01346789 = 44
CTFd 2. 0245689-137
01346789-137 = 04689 = 44
------------------------------------------
5. 409 94
12589-0289-18 = 012589-3467
012589 = --------------------------X1
CTFd 2. 012346789-5
012589-5 = 01289 ------------------------X1
-------------------------------------------
6. 608 44
01247-0567-47 = 0134567-289
0134567 = 44
CTFd 2.02456789-13
0134567-13 = 04567 = 44
-------------------------------------------
7. 804 25
12458-0169-36 = 012345689-7
012345689 = 25
CTFd 2.12345678-09
012345689-09 = 1234568
---------------------------------------------
8. 449 11
25689-0589-78 = 0256789-134
0256789 ------------------------X2
CTFd 2.1345789-026
0256789-026 = 25789 --------- X2
----------------------------------------------
9. 354 90
03679-0149-08 = 01346789-257
01346789 = 90
CTFd 2.02589-1347
01346789-1347 = 0689 = 90
--------------------------------------------
10. 03679-0345-35 = 0345679-128
0345679 = 57
CTFd 2. 012356789-4
0345679-4 = 035679 = 57
----------------------------------------------
1. 16-01-15
สูตร1
3.589
50 52 53 55 56
80 82 83 86 88
91 97 99
2.01235689-4
-----------------------------------
สูตร2
02389-4589-58 = 02345689 = 17
CTFd1.012356789-4
02345689-4 = 0235689
สูตรดับล่าง3 ดับหลักสิบ
ใช้หลักสิบ(ล่าง)แทนค่า
48 = 4
4 = 52
5 = 95f
9 = 01
0 = 35
3 = 79
7 = 95
9 = 26
2 = 52f
5 = 20
2 = 18
1 = 95
9 = 39f
3 = 45
4 = 82
8 = 91
9 = 22
2 = 35
3 = 44
4 = 94f
9 = 44
4 = 25
2 = 11
1 = 90
9 = 57
5 =
สูตรดับล่าง ดับสิบหน่วยล่าง
สูตร1ใช้ร้อย(รว.1)+หลักสิบ(รว.1)+หลักหน่วย(รว.1)
902 52 = 9+0+2 = 2
2 = 95 149 =1+4+9
4 = 01 245 =2+4+5
1 = 35 318 =3+1+8
2 = 79 404 =4+0+4
8 = 95 866 =8+6+6
0 = 26 406 =4+0+6
0 = 52 297 =2+9+7
8 = 20 523 =5+2+3
0 = 18 198 =1+9+8
8 = 95 920 =9+2+0
1 = 39 477 =4+7+7
8 = 45 728 =7+2+8
7 = 82 391 =3+9+1
3 = 91 842 =8+4+2
4 = 22 763 =7+6+3
6 = 35 269 =2+6+9
7 = 44 615 =6+1+5
2 = 94 409 =4+0+9
3 = 44 608=6+0+8
4 = 25 804= 2
2 = 11 449= 7
7 = 90 354 = 2
2 = 57 704 = 1
1 =
ใช้หลักสิบ+หลักหน่วย(ล่าง)
48 = 4+8 = 2
52 = 5+2 = 7
95 = 9+5 = 4
01 = 0+1 = 1
35 = 3+5 = 8
79 = 7+9 = 6
95 = 9+5 = 4
26 = 2+6 = 8
52 = 5+2 = 7
20 = 2+0 = 2
18 = 1+8 = 9 x
95 = 9+5 = 4
39 = 3+9 = 2
45 = 4+5 = 9
82 = 8+2 = 0
91 = 9+1 = 0
22 = 4
35 = 8
44 = 8
94 = 3
44 = 8
25 = 7
11 = 2
90 = 9
57 = 2
CTd 7 3 6 4 5 0 - 9 = 289
CFd 5 7 4 2 = 03689
CTFd 147-0
TFd 0235689
Td 289-589 = 89
Fd 03689
80 83 86 88 89
96 98 99
แต้ม 845792
80 86 89
96 98 99
