keajaiban matematika

Keajaiban 1
----->

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

Keajaiban 2
----->

987654321 X 9 = 8888888889
987654321 X 18 = 17777777778
987654321 X 27 = 26666666667
987654321 X 36 = 35555555556
987654321 X 45 = 44444444445
987654321 X 54 = 53333333334
987654321 X 63 = 62222222223
987654321 X 72 = 71111111112
987654321 X 81 = 80000000001

Keajaiban 3
---->

123456789 X 9 = 1111111101
123456789 X 18 = 2222222202
123456789 X 27 = 3333333303
123456789 X 36 = 4444444404
123456789 X 45 = 5555555505
123456789 X 54 = 6666666606
123456789 X 63 = 7777777707
123456789 X 72 = 8888888808
123456789 X 81 = 9999999909

Keajaiban 4
---->

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

Keajaiban 5
--->

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