2021 AMC 12B What is the value of 1234 + 2341 + 3412 + 4123? (A) 10,000 ?(B) 10,010 ?(C) 10,110 ?(D) 11,000 ?(E) 11,110 What is the area of the shaded figure shown below? (A) 4 ????(B) 6 ???...
2021年11月AMC10B卷考試真題及解析 1. What is the value of 1234 + 2341 + 3412 + 4123? (A) 10,000 (B) 10,010 (C) 10,110 (D) 11,000 (E) 11,110 E 2. What is the area of the shaded figure shown below? (A...
PURPLE COMET! MATH MEET April 2019 MIDDLE SCHOOL - PROBLEMS Copyright ? Titu Andreescu and Jonathan Kane Problem 1 The diagram shows a polygon made by removing six 2 × 2 squares from the sides of a...
PURPLE COMET! MATH MEET April 2018 MIDDLE SCHOOL - PROBLEMS Copyright ? Titu Andreescu and Jonathan Kane Problem 1 Find n such that the mean of , and is 1. Problem 2 The following figure is made up...