Subject :IMO Class : Class 7
The value of 
is ______.
(A) 3
(B) 2
(C) 1
(D) 0
Ans 1:
Class : Class 8
the answer is D.
=12-[7-{16-(18-(-3))}]
= 12-[7-{16-21}]
=12-[7-(-5)]
=12-12
=0