2020 AMC10B 真题
AMC 2020 AMC10B AMC PDF 574.44KB
2020-10-01Problem 1
What is the value of
2020 AMC10B
下列算式的值为多少
Problem 2
Carl has cubes each having side length , and Kate has cubes each having side length . What is the total volume of these cubes?
Carl 有 个边长为 5 1 的立方体, Kate 有 5 个边长为 2 的立方体。这 10 个立方体的总体积是 多少?
Problem 3
The ratio of to is , the ratio of to is , and the ratio of to is . What is the ratio of to w 比 的比值为 x 4:3 , 比 的比值为 y z 3:2 , 比 z x 的比值为 1:6 。则 w 比 是多少 y ?
Problem 4
The acute angles of a right triangle are and , where and both and are prime numbers. What is the least possible value of ?
一个直角三角形的两个锐角的度数分别为 °和 °,其中 > ,且 a b a b a 和 b 均为质数。则 b 的最小值是多少?
(A) 2 (B) 3 (C) 5 (D) 7 (E) 11