1.

The interchanges in the digits 9 and 4, and in the signs \['\div '\]and \['\times '\]would make true which one of the following expressions?

A. \[33\times 9\div 80=14\]                                     
B.  \[94\times 7\div 97=324~\]
C. \[40\times 10\div 9=49~\]                                              
D.  \[30\div 4\times 19=49~\]
Answer» C. \[40\times 10\div 9=49~\]                                              


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