keunikan matematika
coba perhatikan setiap angka-angka di bawah ini
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
1 x 9 + 2 = 11
12 x 9 + 3 = 111
123 x 9 + 4 = 1111
1234 x 9 + 5 =
11111
12345 x 9 + 6 =
111111
123456 x 9 + 7 =
1111111
1234567 x 9 + 8 =
11111111
12345678 x 9 + 9 =
111111111
123456789 x 9 +10 = 1111111111
9 x 9 + 7 = 88
98 x 9 + 6 = 888
987 x 9 + 5 = 8888
9876 x 9 + 4 =
88888
98765 x 9 + 3 =
888888
987654 x 9 + 2 =
8888888
9876543 x 9 + 1 =
88888888
98765432 x 9 + 0 =
888888888
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
dan masih banyak lagi ..
bagaimana ada yang ingin di tambahkan, silahkan komentar ... terima ksih :)
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