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The image shows an open book with mathematical problems and a calculator on a textured, light-colored surface. The book is on the left side of the frame, and the calculator is on the right. The book contains handwritten annotations and tables related to transportation problems. The calculator is a black DEXIN BST SCIENTIFIC CALCULATOR, model KK-82MS-B. A pink mechanical pencil is resting on the book, and an eraser is visible on the surface next to the calculator. The lighting suggests an indoor setting. There are no discernible geographical landmarks or elements to indicate a specific location in Sofia, Bulgaria. The scene appears to be a workspace.
ivsiyana

Jun 23, 2026

Sofia, Bulgaria

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The image shows an open book with mathematical problems and a calculator on a textured, light-colored surface. The book is on the left side of the frame, and the calculator is on the right. The book contains handwritten annotations and tables related to transportation problems. The calculator is a black DEXIN BST SCIENTIFIC CALCULATOR, model KK-82MS-B. A pink mechanical pencil is resting on the book, and an eraser is visible on the surface next to the calculator. The lighting suggests an indoor setting. There are no discernible geographical landmarks or elements to indicate a specific location in Sofia, Bulgaria. The scene appears to be a workspace.

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ivsiyana

Jun 23, 2026

Sofia, Bulgaria

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