This is an interesting way to find squares of two digit numbers - Need to test it for all combinations though but works for quite a few of them so far whatever I have tested :)
57
57
---
2549 (5*5 = 25, 7*7 = 49)
70 (5+5) * 7 or (7+7) * 5 ----> Note the way 70 is written below the first line
-----
3249
-----
68
68
----
3684
96
-----
4624
-----
46
46
----
1636
48
------
2116
------
97
97
-----
8149
126 -------------> Notice how 126 is written due to the extra digit
-----
9409
-----
57
57
---
2549 (5*5 = 25, 7*7 = 49)
70 (5+5) * 7 or (7+7) * 5 ----> Note the way 70 is written below the first line
-----
3249
-----
68
68
----
3684
96
-----
4624
-----
46
46
----
1636
48
------
2116
------
97
97
-----
8149
126 -------------> Notice how 126 is written due to the extra digit
-----
9409
-----
68
ReplyDelete68
----
3664
96
----
4624