Math Problem Statement

The uploaded images contain a series of mathematical problems in Vietnamese, covering multiple-choice and open-ended questions.

Solution

I see that you’ve uploaded two images containing mathematical problems in Vietnamese. How would you like me to assist with these questions? Would you like help solving specific problems or explanations for any of them?

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Math Problem Analysis

Mathematical Concepts

Proportionality and Ratios
Triangle Geometry
Line and Segment Properties
Word Problems in Arithmetic
Algebraic Equations

Formulas

Ratio formula x/y = k
Proportionality formula a:b = c:d
Triangle midline and centroid relationships
Area and distance relationships in triangles

Theorems

Basic Properties of Triangles
Midline Theorem
Centroid Properties
Similarity and Proportionality Theorems

Suitable Grade Level

Grades 9-10

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