Mathematics · Mathematical Operations
यदि निम्नलिखित समीकरण में '+' और '-' को आपस में बदल दिया जाए तथा '×' और '÷' को आपस में बदल दिया जाए, तो प्रश्न चिह्न (?) के स्थान पर क्या आएगा? 7 ÷ 5 + 12 × 3 - 19 = ? + 5
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