Math Problem Statement
Resolver : Si se sabe que 73a4 es divisible entre 8 , y el numero a1 es divisible entre 9. Calcula a+4
Solution
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Math Problem Analysis
Mathematical Concepts
Divisibility Rules
Modular Arithmetic
Formulas
Divisibility rule for 8: Last three digits of a number must be divisible by 8
Divisibility rule for 9: Sum of the digits must be divisible by 9
Theorems
Divisibility Theorem
Suitable Grade Level
Grades 7-9
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