首页
登录
职称英语
In the rectangular coordinate system above, for how many of the points that lie
In the rectangular coordinate system above, for how many of the points that lie
游客
2024-01-13
67
管理
问题
In the rectangular coordinate system above, for how many of the points that lie inside or on the boundary of the shaded region are both coordinate integers?
选项
A、14
B、10
C、6
D、12
E、8
答案
D
解析
这种题目当然只能够枚举:
共有(0,0),(1,0),(2,0),(3,0)
(0,1),(1,1),(2,1),(3,1)
(0,2),(1,2),(2,2),(3,2),刚好是12个点。
转载请注明原文地址:https://tihaiku.com/zcyy/3360202.html
相关试题推荐
Woman:DoyougetthePublicBroadcastingSystemonTV?Man:Yes,everybodygets
Fromthenon,asoundsystemofPartyCommitteemeetingswas______inallleadi
Afterthenewsystemhassettleddown,peopleinnon-computerjobsarenotalway
Entireculturesoperateonelaboratesystemsofindirectness.Forexample,i
Entireculturesoperateonelaboratesystemsofindirectness.Forexample,i
Entireculturesoperateonelaboratesystemsofindirectness.Forexample,i
Asustainabletransportationsystemisonethatissafe,capableandfriendl
Asustainabletransportationsystemisonethatissafe,capableandfriendl
Thesystemsremainbasicallythesameas______inusehalfacenturyago.A、those
In______ofspeed,safetyandprice,thehi-railwaysystemisperhapstheworld’
随机试题
Everymorning,Alliewakesupandaccompaniesherfriendtothewashroom.Sh
[originaltext]WhenmysonRyansawaT-shirtonsalefor5dollarsmarkedd
Forthispart,youareallowed30minutestowriteacompositiononthetopic:O
[audioFiles]audio_ezf_m_0061(20102)[/audioFiles]Fig
A.氯磺丙脲 B.正规胰岛素 C.精蛋白锌胰岛素 D.苯乙双胍 E.甲苯
1966年,联合国教科文组织在《关于教师地位的建议》中提出,应该把教师工作视为(
加快转变经济发展方式是推动科学发展的必由之路,是我国经济社会领域的一场深刻变革,
我国产业结构调整的方向是()。 A.以高新技术产业为先导 B.以基础产业和制
(2015年真题)通用水土流失方程中,影响土壤可蚀因子K的主要因素有()。
呼吸衰竭患者缺氧的典型表现是A.呼吸困难 B.呼吸急促 C.发绀 D.心率
最新回复
(
0
)