| Direction for Question: Correct the following equations by interchanging two signs. |
A)
+and 
B) \[-\] and \[+\]
C) \[\times \] and \[-\]
D) \[-\] and \[\times \]
E) \[\div \] and \[-\]
Correct Answer: A
Solution :
Changing + and \[\div \] by \[\div \] and +, we have \[51+3\times 12-6\div 3=51+36-2=85.\]
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