求“能被3除尽,用5除余2,用8除余5,用11除余8,用14除余11”的正整数,该问题的解答的表达形式为:
A: 9240k+9237,k=0,1,2,3,…
B: 9240k-3,k=1,2,3,…
C: 18480k+9237,k=0,1,2,3,…
D: 18480k-3,k=1,2,3,…
E: 18480k+18477,k=0,1,2,3,…
F: 18480k-9243,k=1,2,3,…
G: 9240k+18477,k=0,1,2,3,…
H: 18480k+10557,k=0,1,2,3,…
A: 9240k+9237,k=0,1,2,3,…
B: 9240k-3,k=1,2,3,…
C: 18480k+9237,k=0,1,2,3,…
D: 18480k-3,k=1,2,3,…
E: 18480k+18477,k=0,1,2,3,…
F: 18480k-9243,k=1,2,3,…
G: 9240k+18477,k=0,1,2,3,…
H: 18480k+10557,k=0,1,2,3,…
举一反三
- 已知下列反应N2(g) + 3H2(g) = 2NH3(g) (1)1/2N2(g) + 3/2H2(g) = NH3(g) (2) 1/3N2(g) + H2(g) = 2/3NH3(g) (3)的平衡常数分别为 Kθ1 、Kθ2 、Kθ3 ,则它们的关系是 A: Kθ1=Kθ2=Kθ3 B: Kθ1 = (Kθ2)2 = (Kθ3)3 C: Kθ1 =3/2Kθ2 =2/3Kθ3 D: Kθ1 = (Kθ2)1/2 = (Kθ3)1/3
- 以下三个中___可以是分布律: (1)P{X=k}=1/2×(1/3)^k, k=0,1,2,…… (2)P{X=k}=(1/2)^k, k=1,2,3,…… (3)P{X=k}=1/[k(k+1)], k=1,2,3,……
- 冲击系数k的数值变化范围是() A: 0≤k≤1 B: 1≤k≤2 C: 0≤k≤2 D: 1≤k≤3
- 以下三个中___可以是分布律:1)P{X=k}=1/2×(1/3)^k, k=0,1,2,……2)P{X=k}=(1/2)^k, k=1,2,3,……3)P{X=k}=1/[k(k+1)], k=1,2,3,……(答案符号输入均为英文符号)
- 在温度T和压力pθ时理想气体反应:(Ⅰ)2H2O(g)=2H2(g)+O2(g) Kθ1 (Ⅱ)CO2(g)=CO(g)+1/2O2(g) Kθ2则反应:(Ⅲ)CO(g)+H2O(g)=CO2(g)+H2(g)的Kθ3应为 A: 这是单选题 B: Kθ3= Kθ1/Kθ2 C: Kθ3= Kθ1Kθ2 D: Kθ3=(Kθ1)1/2/Kθ2 E: Kθ3= Kθ2/Kθ1