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B
÷×
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C
÷ -
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D
+ ×
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Solution
The correct option is A + - The given equation is: 37−27÷9×7+50=8 (1) After interchanging + and - LHS: 37+27÷9×7−50=37+21−50=8 Hence, LHS = RHS if + and - are interchanged.