1.

Select the correct equation from the given options after interchanging operations ‘-‘ and ‘ × ‘ and numbers ‘4’ and ‘5’ .

A. 9 – 4 × 5 = 21
B. 5 × 4 – 9 = 7
C. 5 × 9 – 4 = 4
D. 4 – 5 × 9 = 11
Answer» E.


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