Evaluate (212)3 - (121)3 + (222)3
A
(313)3
B
(1000)3
C
(1020)3
D
(1222)3
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
Evaluate (212)3 - (121)3 + (222)3
(221)3+
(222)3
1211
121
------
(1020)3
Source: Myschool Past Questions Archive (Record #31994)