Mathematics · Mathematical Operations
यदि निम्नलिखित समीकरण में '×' और '-' को आपस में बदल दिया जाए, तथा '÷' और '+' को आपस में बदल दिया जाए, तो प्रश्नवाचक चिह्न (?) के स्थान पर क्या आएगा? 55 × 45 + 5 - 8 ÷ 4 = ?
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