Example 3 s a fab sum...... Isnt it

ya it is..! infact all the sums in 9th r fab i seriously love the maths of 9th class <3 it

 mmmm...... easy

:-D 

 no it isnt.

I don't think so

it is easy once you understand it! but the problem is, it took me almost half an hour to understand it!!!

ooooooooo i see

it is ok. i dont have any comments on it