GRE考试

【单选题】How many positive whole numbers less than or equal to 50 are NOT equal to squares of whole numbers
A、9
B、15
C、43
D、44
E、45
网考网参考答案：C
网考网解析：
To solve this problem, first find all the whole number squares less than or equal to 50: 1 2 =1 2 2 =4 3 2 =9 4 2 =16 5 2 =25 6 2 =36 7 2 =49 This leaves 43 remaining positive whole numbers that are less than or equal to 50 and are not squares of whole numbers. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>