Question
Interchanging which two operational symbols will make
the given equation true? 36 × 5 - 84 ÷ 4 + 50 = 151Solution
If we interchange (+ and -) then equation will become correct 36 × 5 + 84 ÷ 4 - 50 180 + 21 - 50 201 - 50 = 151
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