.::Wonder Of Math::.
Subject:Magic of mathA)
0 x 9 + 0 = 0
1 x 9 + 1 = 10
12 x 9 + 2 = 110
123 x 9 + 3 = 1110
1234 x 9 + 4 = 11110
12345 x 9 + 5 = 111110
123456 x 9 + 6 = 1111110
1234567 x 9 + 7 = 11111110
12345678 x 9 + 8 = 111111110
123456789 x 9 + 9 = 1111111110
B)
1 x 1 = 1
11 x 11 = 121
111 x 111 = 12321
1111 x 1111 = 1234321
11111 x 11111 = 123454321
111111 x 111111 = 12345654321
1111111 x 1111111 = 1234567654321
11111111 x 11111111 = 123456787654321
111111111 x 111111111 = 12345678987654321
C)
1 x 8 + 1 = 9
12 x 8 + 2 = 98
123 x 8 + 3 = 987
1234 x 8 + 4 = 9876
12345 x 8 + 5 = 98765
123456 x 8 + 6 = 987654
1234567 x 8 + 7 = 9876543
12345678 x 8 + 8 = 98765432
123456789 x 8 + 9 = 987654321
D)
1 x 18 + 1 = 19
12 x 18 + 2 = 218
123 x 18 + 3 = 2217
1234 x 18 + 4 = 22216
12345 x 18 + 5 = 222215
123456 x 18 + 6 = 2222214
1234567 x 18 + 7 = 22222213
12345678 x 18 + 8 = 222222212
123456789 x 18 + 9 = 2222222211
E)
123456789 + 987654321 = 1111111110
F)
1 x 142857 = 142857
2 x 142857 = 285714 (angka sama susunan berbeza)
3 x 142857 = 428571 (angka sama susunan berbeza)
4 x 142857 = 571428 (angka sama susunan berbeza)
5 x 142857 = 714285 (angka sama susunan berbeza)
6 x 142857 = 857142 (angka sama susunan berbeza)
7 x 142857 = 999999 (wauuu... ... Fantastikkk)
G)
Sebarang nilai jika dikalikan 9 maka jumlah hasilnya = 9 kita buktikan... ..
1 x 9 = 9
2 x 9 = 18, jumlah 1 + 8 = 9
3 x 9 = 27, jumlah 2 + 7 = 9
4 x 9 = 36, jumlah 3 + 6 = 9
dst. sampai tak terhingga... ..
H)
22 x 9 = 198... ..cara cepatnya 2 x 9 = 18, lalu selitkan angka 9 ditengah, jadi 198... .
buktikan sendiri cara cepat ini...
33 x 9 = 297, cara cepat 3 x 9, selipkan 9 ditengah
44 x 9 = 396
55 x 9 = 495
66 x 9 = 594
77 x 9 = 693
88 x 9 = 792
99 x 9 = 891
I)
Jika 3 angka kembar pula, selitkan angka 99 ditengahnya ... .
kita buktikan... ...
222 x 9 = 1998, cara cepat 2 x 9= 18, selitkan 99 ditengah
333 x 9 = 2997
444 x 9 = 3996
555 x 9 = 4995
dst... ... . Anyone who enter this thread, take a look at my thread, "Dah Pening Baca Thread Yang Serius? Masuk Sini"
On page 6, see the wonder of the digit, 9.
All of the above, the wonder of math, mostly contain the digit 9..
Take a look at this.
x=0.99999999999..........
10x=9.999999999999999...........
10x-x=9
9x=9
x=1 ??? :kant:
And also this
1/9=0.1111111111111........
2/9=0.222222222222........
3/9=0.33333333333333.......
4/9=0.44444444444444......
5/9=0.555555555555555.......
6/9=0.66666666666666.....
7/9=0.777777777777777.......
8/9=0.888888888888888......
From the above, what would u expect for 9/9? If u have never counted before, u may say 0.9999999999...
But in fact, 9/9=1???? :kant:
And last but not least....
Just find a fractional form for 0.999999999999999............
By using the knowledge of algebra, u wont found the answer.... :lol Originally posted by aku_EnSeM at 13-7-2006 20:52
Anyone who enter this thread, take a look at my thread, "Dah Pening Baca Thread Yang Serius? Masuk Sini"
On page 6, see the wonder of the digit, 9.
All of the above, the wonder of mat ...
found a link explaining y 0.9999999999= 1
o.99=1 yg ni leh guna pakai kot...
http://www.math.com/tables/general/addtable.htm
http://www.math.com/tables/general/multiplytable.htm
[ Last edited bybunga_sakura at 18-8-2006 01:24 AM ]
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