Question
Download Solution PDFखालील समीकरण दुरुस्त करण्यासाठी समीकरणातील कोणत्या दोन चिन्हांची अदलाबदल करावी लागेल, ते शोधा.
21 + 5 × 2 – 21 ÷ 3 = 12
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF1) + व -
चिन्हांची अदलाबदल करून
डा .बा. = 21 - 5 × 2 + 21 ÷ 3 = 21 – 10 + 7 = 18 ≠ उ.बा.
2) – व ÷
चिन्हांची अदलाबदल करून
डा .बा.= 21 + 5 × 2 ÷ 21 – 3 = 21 + 0.476 – 3 = 18. 476 ≠ उ.बा.
3) – व ×
चिन्हांची अदलाबदल करून
डा .बा. = 21 + 5 - 2 × 21 ÷ 3 = 21 + 5 – 14 = 12 = उ.बा.
4) × व ÷
चिन्हांची अदलाबदल करून
डा .बा. = 21 + 5 ÷ 2 – 21 × 3 = 21 + 2.5 – 63 = - 39.5 ≠ उ.बा.
म्हणून, '– व ×' हे योग्य उत्तर आहे.Last updated on Jun 6, 2025
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