1.

In the following question, which one of the four interchanges in signs and numbers would make the given equation correct?15 + 4 – 2 × 7 = 27

A. × and -; 4 and 15
B. + and -; 2 and 4
C. – and +; 2 and 15
D. × and +; 7 and 4
Answer» B. + and -; 2 and 4


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