Math Problem Statement
1. 某数学问题中,一只袋鼠需要跳跃7步才能到达目的地,每次跳跃可以选择跳1步、2步或3步,问该袋鼠有多少种不同的跳跃方式? A) 15 B) 20 C) 25 D) 30
Solution
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Math Problem Analysis
Mathematical Concepts
Dynamic Programming
Combinatorics
Formulas
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Theorems
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Suitable Grade Level
High School
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