Question

Help...........................​

Answer 1

You can reformulate the expression in a more easier way, by using the concept of fraction. And so you get :

`(55)/(11((120)/(2*(4+(10+5-7)) )) =(55)/(11((120)/(2*(12)) ))=(55)/(11((120)/(24) ))=(55)/(11*5) = (55)/(55) =1`