A) 5
B) 4
C) 3
D) 2
Correct Answer: C
Solution :
\[\underline{\begin{align} & \underline{\begin{align} & \text{ 1 }\text{ } \\ & \text{+ }\text{ }\text{ } \\ \end{align}} \\ & \text{ }6\text{ 9 7} \\ \end{align}}\]You need to login to perform this action.
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