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수 배열

이 영역의 사고력 문제 28개. 각 문제는 교과(depth) 아키타입에서 출발해 경시(competition) 유형으로 이어집니다.

수 만들기 Build the Largest or Smallest Value from Digit Cards → Branching State Enumeration

큰 곱, 작은 곱 Build the Largest or Smallest Value from Digit Cards → Branching State Enumeration

연속수의 합 Sum of Evenly Spaced Numbers via the Middle → Small-Domain Constrained Search

각 자리 숫자를 구하는 문장제 Find Two Unknowns from Sum and Difference → Small-Domain Constrained Search

들이의 계산 Decompose a Number into Parts and Factors → Small-Domain Constrained Search

분수의 크기 비교 Compare Fractions and Decimals by Structure → Multiplicative Ratio with Integrality Constraints

오름수, 내림수, 대칭수 Pin Down a Number from Digit and Range Conditions → Casework by Position / Vertex Type

조건을 만족하는 식 Pin Down a Number from Digit and Range Conditions → Small-Domain Constrained Search

계산 결과의 최소 Build the Largest or Smallest Value from Digit Cards → Branching State Enumeration

곱셈식 만들기 Multiplication as Equal Groups → Small-Domain Constrained Search

자릿수가 바뀐 수 Pin Down a Number from Digit and Range Conditions → Small-Domain Constrained Search

뒤집힌 수 카드 Build the Largest or Smallest Value from Digit Cards → Casework by Position / Vertex Type

큰 수, 작은 수 Build the Largest or Smallest Value from Digit Cards → Casework by Position / Vertex Type

조건에 맞는 수 Pin Down a Number from Digit and Range Conditions → Small-Domain Constrained Search

여러 가지 조건에 맞는 수 Pin Down a Number from Digit and Range Conditions → Small-Domain Constrained Search

곱셈 퍼즐 Decompose a Number into Parts and Factors → Small-Domain Constrained Search

수 카드로 나눗셈식 만들기 Build the Largest or Smallest Value from Digit Cards → Branching State Enumeration

나머지가 될 수 있는 수 Divisibility and Remainder Reasoning → Small-Domain Constrained Search

벌레 먹은 나눗셈식 Recover Hidden Digits from Carries → Small-Domain Constrained Search

조건에 맞는 수 찾기 Pin Down a Number from Digit and Range Conditions → Small-Domain Constrained Search

처음 수 구하기 Work Backwards to Recover a Start Value → Branching State Enumeration

곱셈식 완성하기 Recover Hidden Digits from Carries → Small-Domain Constrained Search

조건에 맞는 수 Pin Down a Number from Digit and Range Conditions → Small-Domain Constrained Search

연산 퍼즐 Pin Down a Number from Digit and Range Conditions → Branching State Enumeration

나눗셈식 만들기 Divisibility and Remainder Reasoning → Small-Domain Constrained Search

목표수 만들기 Pin Down a Number from Digit and Range Conditions → Small-Domain Constrained Search

수 카드로 분수 만들기 Build the Largest or Smallest Value from Digit Cards → Branching State Enumeration

연산 기호 넣기 Pin Down a Number from Digit and Range Conditions → Small-Domain Constrained Search