2010 AMC10A 真题

Problem 1

1

Mary's top book shelf holds five books with the following widths, in centimeters: , , , , and . What is the average book width, in centimeters?

(E) 5

Mary 的顶层书架上放了 5 本书，它们的宽度（单位：厘米）分别是 6 和 10 宽度是多少厘米？

。问书本的平均

Problem 2

Four identical squares and one rectangle are placed together to form one large square as shown. The length of the rectangle is how many times as large as its width?

4 个全等的正方形和 个矩形放置在一起形成一个大的正方形，如下图所示。问矩形的长是 1 它的宽的几倍？

Problem 3

Tyrone had marbles and Eric had marbles. Tyrone then gave some of his marbles to Eric so that Tyrone ended with twice as many marbles as Eric. How many marbles did Tyrone give to Eric?

Tyrone 有 97 颗玻璃球， Eric 有 11 颗玻璃球。 Tyrone 给了 Eric 若干颗玻璃球，最后 Tyrone 的玻璃球颗数是 Eric 的 2 倍。问 Tyrone 给了 Eric 多少颗玻璃球？

(B) 13

(D) 25

(E) 29

2010 AMC 10A