长方形分成四块,求阴影部分面积---**Problem Title:** 五年级思维题 (Fifth Grade Thinking Problem) **Question Stem:** 求阴影部分面积? (Find the area of the shaded part?) 求阴影部分的面积 (Find the area of the shaded part) **Diagram Description:** * **Type:** Geometric figure - a rectangle divided into four regions by internal lines. * **Main Elements:** * A large rectangle bounded by a white line. * Internal white lines divide the rectangle into four regions. * Three regions are labeled with numbers: * Top left region: Labeled '4'. * Bottom left region: Labeled '5'. * Top right region: Labeled '3'. * The bottom right region is shaded blue. * The numbers '4', '5', and '3' are likely the areas of their respective regions. **Other Relevant Text:** * Caption below the diagram: 五年级的题难倒了很多人 (This fifth-grade problem has stumped many people) * Hashtags: #小学数学 #数学思维 #小学奥数 (Elementary School Math, Math Thinking, Elementary School Olympiad Math)

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