Math Problem Statement

Banyaknya bilangan ganjil antara 100 sampai dengan 1000 yang semua angkanya berbeda ada sebanyak … bilangan. a. 140 b. 280 c. 320 d. 360

Solution

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Math Problem Analysis

Mathematical Concepts

Combinatorics
Number Theory

Formulas

Total combinations = 5 (for units place) * 8 (for hundreds place) * 8 (for tens place)

Theorems

Basic Counting Principle

Suitable Grade Level

Grades 9-12