Math Problem Statement
Diketahui kumpulan angka 0,2,3,5,6,7,9. Akan disusun bilangan yang terdiri dari empat angka tanpa pengulangan. Tentukan banyaknya bilan- gan itu jika :
a. kurang dari 4.000
b. lebih dari 7.000
c. habis dibagi 2
d. lebih dari 3.000 dan kurang dari 6.000
e. di antara 1.000 dan 4.000 tetapi merupakan bilangan ganjil.
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Permutation without repetition
Number properties
Formulas
Total permutations formula: n! / (n - r)!
Divisibility rule for 2: last digit must be even
Theorems
Rule for permutations without repetition
Divisibility rules for even numbers
Suitable Grade Level
Grades 9-12
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