How many positive whole numbers less than 81 are NOT equal squares of whole numb

游客2024-01-12 30

问题 How many positive whole numbers less than 81 are NOT equal squares of whole numbers?

选项 A、9
B、70
C、71
D、72
E、73

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。

转载请注明原文地址:https://tihaiku.com/zcyy/3356733.html

相关试题推荐

Iffandgaredistinctprimenumberslessthan10,whichofthefollowingcanno
Thesumofthenon-primenumbersbetween40and50,non-inclusive,isA、131B、176
Ifx,y,andwarenonzeronumbersandx-y=w,whichofthefollowingisequalto
If[img]2011q3/ct_egmatqm_egmatqchoose_0454_201121[/img]forallnumbersq,r,s
Ifxisapositivenumberand1/2thesquarerootofxisthecuberootofx,th
Ifx,y,andzarepositiveintegersandx2=y2+z2,whichofthefollowingmustb
Ifx,y,andzarepositiveintegers,and4x=5y=6z,thentheleastpossiblevalu
Whatisthegreatestpossiblecommondivisoroftwodifferentpositiveintegers
ListA,BandCmeansthelistofmultiplesofprimenumbers2,3,and5respect
Sixdifferentnumbersaretobeselectedfromthe(0,1,2,3,4,5,6)tocompos

随机试题

Teachersneedtobeawareoftheemotional,intellectual,andphysicalchang
Whilemanynationshaveagingpopulations,Japan’sdemographiccrisisistr
WhywastheWorldHealthDayrecognizedbyWHO?[br]Thesecondhighestdeathra
内容提要的类型有（　）等。A.说明型提要 B.悬念型提要 C.评论型提要
参与形成黏液一碳酸氢盐屏障的成分是A.Na B.HCO C.H D.Cl
A.骨髓B.胸腺C.脾脏D.淋巴结E.扁桃体淋巴细胞发生免疫应答的场所是
下列与陕西有关的说法，正确的是： ①法门寺始建于东汉末年，被称为“关中塔庙之祖
请为幼儿园小班设计一份以“辨别图形”为主题的活动教案。
DP公司质量检验员李先生于2012年通过了全国质量专业技术人员职业资格考试后，
内踝上八寸处以下，循行于下肢内侧前缘的经脉是A.足少阴肾经 B.足少阳胆经

最新回复(0)

How many positive whole numbers less than 81 are NOT equal squares of whole numb

Iffandgaredistinctprimenumberslessthan10,whichofthefollowingcanno

Thesumofthenon-primenumbersbetween40and50,non-inclusive,isA、131B、176

Ifx,y,andwarenonzeronumbersandx-y=w,whichofthefollowingisequalto

If[img]2011q3/ct_egmatqm_egmatqchoose_0454_201121[/img]forallnumbersq,r,s

Ifxisapositivenumberand1/2thesquarerootofxisthecuberootofx,th

Ifx,y,andzarepositiveintegersandx2=y2+z2,whichofthefollowingmustb

Ifx,y,andzarepositiveintegers,and4x=5y=6z,thentheleastpossiblevalu

Whatisthegreatestpossiblecommondivisoroftwodifferentpositiveintegers

ListA,BandCmeansthelistofmultiplesofprimenumbers2,3,and5respect

Sixdifferentnumbersaretobeselectedfromthe(0,1,2,3,4,5,6)tocompos

Teachersneedtobeawareoftheemotional,intellectual,andphysicalchang

Whilemanynationshaveagingpopulations,Japan’sdemographiccrisisistr

WhywastheWorldHealthDayrecognizedbyWHO?[br]Thesecondhighestdeathra

内容提要的类型有（ ）等。A.说明型提要 B.悬念型提要 C.评论型提要

参与形成黏液一碳酸氢盐屏障的成分是A.Na B.HCO C.H D.Cl

A.骨髓B.胸腺C.脾脏D.淋巴结E.扁桃体淋巴细胞发生免疫应答的场所是

下列与陕西有关的说法，正确的是： ①法门寺始建于东汉末年，被称为“关中塔庙之祖

请为幼儿园小班设计一份以“辨别图形”为主题的活动教案。

DP公司质量检验员李先生于2012年通过了全国质量专业技术人员职业资格考试后，

内踝上八寸处以下，循行于下肢内侧前缘的经脉是A.足少阴肾经 B.足少阳胆经

内容提要的类型有（　）等。A.说明型提要 B.悬念型提要 C.评论型提要