Friday, December 3, 2010

Squares: 1-digit, 2-digit, 3-digit numbers

1^2 = 1
2^2 = 4
3^2 = 9


4^2 = 16
5^2 = 25
6^2 = 36
7^2 = 49
8^2 = 64
9^2 = 81



10^2 = 100 ..... 21^2 = 441
11^2 = 121
..... 22^2 = 484
12^2 = 144 ..... 23^2 = 529
13^2 = 169 ..... 24^2 = 576
14^2 = 196 ..... 25^2 = 625
15^2 = 225 ..... 26^2 = 676
16^2 = 256 ..... 27^2 = 729
17^2 = 289 ..... 28^2 = 784
18^2 = 324 ..... 29^2 = 841
19^2 = 361 ..... 30^2 = 900
20^2 = 400 ..... 31^2 = 961


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