How many pairs of prime numbers of x and y satisfy the equation x2-2y2=1?(A)0(B)1(C)2(D)3(E)4 相关知识点: 试题来源: 解析 Method 1: Since 2y2 is even, x2 must be odd and x must be odd. The given equation can be written as y^2=(x^2-1)/2=((x-1)(x+1))/2...
Japan is often quoted as the primeexampleof a modern industrial nation. 人们经常举例把日本作为现代工业国家的典范。 牛津词典 It is a classicexampleof how not to design a new city centre. 这对于如何设计新市中心是个绝佳的反面教材。 牛津词典 ...
(10.1.5.2, 225.1.1.1) Protocol: pim-dm, Flag: ACT UpTime: 00:00:44 Upstream interface: GigabitEthernet1/0/0 Upstream neighbor: 10.1.2.2 RPF prime neighbor: 10.1.2.2 Downstream interface(s) information: Total number of downstreams: 1 1: GigabitEthernet2/0/0 Protoco...
(10.110.3.100, 232.1.1.1) Protocol: pim-ssm, Flag: LOC UpTime: 00:00:42 Upstream interface: Vlanif80 Upstream neighbor: NULL RPF prime neighbor: NULL Downstream interface(s) information: Total number of downstreams: 1 1: Vlanif60 Protocol: pim-ssm, UpTime: 00:00:42, Expires:- [...
The base of a number system tells us how many unique digits are used to form a number in that system. In the base ten system, ten unique digits (0, 1, 2, 3, 4, 5, 6, 7, 8, and 9) are used to represent any number. Number is an arithmetic value that we use for the ...
aWe all know, prime is a kind of special number which has no other factors except of 1and itself. 我们全部知道,最初是没有其他因素除了1and的一特殊数字。 [translate] aWe call a prime as super prime when and only when which can be represented as the sumof multiple continuous primes. For...
in case of 1. 如果发生 万一发生意外打的号码 a number to call in case of emergency. example的例句: 1. Have they, for example, demonstrated a commitment to democracy? 例如,他们是否已表现出会致力于民主? 2. The house is a textbook example of medieval domestic architecture. 这所房子是典型的...
The beauty of WPS Office lies in its seamless compatibility with Microsoft Office features. A prime example is using Excel's 'choose' function within WPS Excel. This function can be a game-changer for various data analysis scenarios. Let's explore a few of these with step-by-step instruction...
T-CELL RESPONSES NK cells set a prime example The priming of naive T cells is mainly mediated by mature den- dritic cells (DCs) in secondary lym- phoid organs; however, now Sallusto and colleagues show that, after stim- ulation with mature DCs or certain adjuvants, natural killer (NK...
The 60-plus delinquency rate is a metric typically used for the housing industry to measure the number ofmortgageloans that are more than 60 days past due on their monthly payments. A 60-plus delinquency rate is often expressed as a percentage of a group of loans underwritten within a specif...