1.

If '-' stands for 'division', '+' stands for 'multiplication', \[\text{ }\!\!'\!\!\text{ }\div \text{ }\!\!'\!\!\text{ }\]stands for 'subtraction' and \[\text{ }\!\!'\!\!\text{ }\times \text{ }\!\!'\!\!\text{ }\] stands for 'addition', which one of the following equations is CORRECT?

A.  \[6+20-12-7-1\text{ }=38\]
B.  \[6-3\div 12\times 7+1=57\]
C.  \[6+20-12\div 7\times 1=62\]
D.  \[6\div 20\times 12+7-1=70\]
Answer» E.


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