Math Problem Statement
実数の範囲において、 a) 0.99999・・・ = 1 b) 無限小 = 0 c) 無限小 × 10 = 無限小 d) 無限大 ÷ 10 = 無限大 は、正しいですか?
Solution
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Math Problem Analysis
Mathematical Concepts
Real Numbers
Infinitesimals
Infinity
Decimal Representation
Formulas
0.999... = 1
Infinitesimal × Finite Number ≠ Infinitesimal
Infinity ÷ Finite Number = Infinity
Theorems
Limit Theorem for Converging Sequences
Properties of Infinitesimals in Real Numbers
Properties of Infinity in Arithmetic
Suitable Grade Level
Grades 11-12
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