General Studies · Mathematical Operations
यदि '-' और '+' को आपस में बदल दिया जाए तथा '÷' और '×' को आपस में बदल दिया जाए, तो निम्नलिखित समीकरण में प्रश्नवाचक चिह्न (?) के स्थान पर क्या आएगा? 15 - 4 ÷ 9 × 3 + 6 = ?
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