📐 MathLevel 7 — 🔵 IntermediateAlgebra👁 19 views⏱ 2 min read
Bài tập tìm x nâng cao: Tổng dãy số lớp 6
📝 Problem
Tìm x biết: (x + 1) + (x + 2) + ... + (x + 100) = 5750✨Detailed Solution
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🔒 14 steps remaining
🔒 14 steps remaining
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