解析 D 正确答案:D 解析:小于81且不等于整数的平方(square)的正整数(positive whole numbers)有多少个?解:本题的正确答案是(D)。该题也就是问小于81的非完全平方数有多少个。小于81的完全平方数有1,4,9,16,25,36,49,64共8个,而小于81的正整数有80个,所以小于81的非完全平方数有80-8=72个。
D. four相关知识点: 试题来源: 解析 B Since 02=0 and 12=1, there are two such whole numbers . 小于10的整数中,有多少是它们本身的平方( ). A.一个 B.两个 C.三个 D.四个 因为02=0和12=1,所以有两个整数. 故选B.反馈 收藏
The whole numbers less than 1000 that can be written as such a product are0×1×2, 1×2×3, 2×3×4, 3×4×5, 4×5×6, 5×6×7,6×7×8, 7×8×9, 8×9×10, and 9×10×11, In all, that's 10. 有多少小于1000的整数可以写成3个连续整数的乘积( ). A.10 B.11 C.15...
百度试题 结果1 题目【题目】How many whole numbers less than 20 are divisibleA.0B.1C.2D.3 相关知识点: 试题来源: 解析 【解析】A 反馈 收藏
百度试题 结果1 题目What does underlined word “units” in Paragraph 8 mean? A. Whole numbers less than 10. B. Whole things. C. Groups of lessons. D. The smallest numbers. 相关知识点: 试题来源: 解析 A 反馈 收藏
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 相关知识点: 试题来源: 解析 C To solve this problem, first find all the whole number squares less than or equal to 50: 12=1 22=4 32=9 42...
百度试题 结果1 题目Split 7 into the sum of 2 whole numbers. Both numbers must be less than 6 but larger than 0. How many ways of spilitting are there?相关知识点: 试题来源: 解析 2 7=2+57=3+4反馈 收藏
na.【数】整数 网络完整数;全数;总数字 复数:whole numbers 同义词 反义词 n. integer,number,numeral,digit,figure 权威英汉双解 英汉 英英 网络释义 Whole-number n. 1. 整数a number that consists of one or more units, with no fractions (= parts of a number less than one) ...
than when that [1299b] attention is divided amongst many; but in small states it is necessary that a few of the citizens should execute many employments; for their numbers are so small it will not be convenient to have many of them in office at the same time; for where shall we find...
How many positive whole numbers less than 81 are NOT equal squares of whole numbers? A.9 B.70 C.71 D.72 E.73查看答案更多“How many positive whole numbers less than 81 are NOT equal squares of whole numbers?A.9B.7”相关的问题 第1题 块的原料成形,大体可分象眼块、方块、劈柴块、滚...