摘要：
Problem 1 Cities and are miles apart. Alicia lives in and Beth lives in . Alicia bikes towards at miles per hour. Leaving at the same time, Beth bikes 阅读全文
摘要：
Problem 1 Mrs. Jones is pouring orange juice into four identical glasses for her four sons. She fills the first three glasses completely but runs out 阅读全文
摘要：
Problem 1 What is the ones digit of Problem 2 What is the value of this expression in decimal form? Problem 3 Four squares of side lengths , , , and u 阅读全文