CURIOSIDADES MATEMÁTICAS

***JUGANDO CON EL NUEVE***
9x1=9
9x2=18=>1+8=9
9x3=27=>2+7=9
9x4=36=>3+6=9
9x5=45=>4+5=9
9x6=54=>5+4=9
9x7=63=>6+3=9
9x8=72=>7+2=9
9x9=81=>8+1=9
9x10=90=>9+0=9
9x11=99=>9+9=18=>1+8=9
9x12=108=>1+0+8=9
9x13=117=>1+1+7=9
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NÚMEROS CAPICUAS
I. JUGANDO CON UNOS
1x1=1
11x11=121
111x111=12321
1111x1111=1234321
11111x11111=123454321
111111x111111=12345654321
1111111x1111111=1234567654321
11111111x11111111=123456787654321
111111111x111111111=12345678987654321
***************///*******************
II. MAS CURIOSIDADES-----¡DIVIERTASE!
3 x 3 = 9
23 x 43 = 989
223 x 433 = 98789
2223 x 4443 = 9876789
22223 X 44443 = 987656789
......

222222223 x 444444443 = 98765432123456789
2222222223 x 4444444443 = 9876543210123456789
*********************************************
OPERACIONES ESTÉTICAS

4x4 = 16
34x34 = 1156
334x334 = 111556
3334x3334 = 11115556
33334x33334 = 1111155556
...
********************************************
6x6 = 36 => 3 + 6 = 9
66x66 = 4356 => 43 + 56 = 99
666x666 = 443556 => 443 + 556 = 999
6666x6666 = 44435556 => 4443 + 5556 = 9999
66666x66666 = 4444355556 => 44443 + 55556 = 99999
.....

MULTIPLO DE 3, MULTIPLICADO POR 37
3 x 37 = 111
6 x 37 = 222
9 x 37 = 333
12 x 37 = 444
15 x 37 = 555
18 x 37 = 666
21 x 37 = 777
24 x 37 = 888
27 x 37 = 999

TRAPECIOS NUMÉRICOS
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
****************************

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
******************************

0 x 9 + 8 = 8
9 x 9 + 7 = 88
98 x 9 + 6 = 888
987 x 9 + 5 = 8888
9876x 9 + 4 = 88888
98765 x 9 + 3 = 888888
987654 x 9 + 2 = 8888888
9876543 x 9 + 1 = 88888888
98765432 x 9 + 0 = 888888888
987654321 x 9 - 1 = 8888888888
9876543210 x 9 - 2 = 88888888888