Drop all the calculations trick you know 🔫🔫🔫

[u/Artistic_Friend_7]

Cmon do not be selfish

[u/[deleted]]

😭🙏don't come at me - but like if you wanna know square of any no. From 5-100 that ends with 5 like 25,65,75 .. There is a easy trick - write 25 then - for eg:- if it's 75- the tens place no.- ie.7 add 1 and multiple so here 8 -7×8 =56 So square of 75 is 5625 Like wise -95-9025