若 [tex=5.643x1.357]L1oOYW5tn35r5TC0cY2hZA==[/tex] , 证明 [tex=15.357x1.571]GMqNyutdHlCLLt4S19KRVjnhFoFcMXCu98IxPIJIFUN45XijK4m/By0bFL0wIpJ54djOYqwy7ZR03MUdhc2/ZRYznPl+tSN0tqNccKhYgoQ=[/tex]. 特别 [tex=7.143x1.429]2ubNoKI/x6Eye6Xpotfi+0p8l2w0T42du6EjZxX0FKs=[/tex] , 或 [tex=9.0x2.357]pNFrKRjB1difm9b7bQvlHmO6ZmyQG9AqUg6/hldQwzCZOuXgRxt7DoS48Ak9l7fgIenwD+UydHk1joSmTx4keg==[/tex], 并利用此结论,计算下列各式:[tex=5.857x2.429]YLTKJiEouWfpC17s1HRqNRsG1Gdva2CoJcc5WssDku0=[/tex] , 求 [tex=1.643x1.357]QEos0FZVoxidwAY2Qi/JJQ==[/tex].
若 [tex=5.643x1.357]L1oOYW5tn35r5TC0cY2hZA==[/tex] , 证明 [tex=15.357x1.571]GMqNyutdHlCLLt4S19KRVjnhFoFcMXCu98IxPIJIFUN45XijK4m/By0bFL0wIpJ54djOYqwy7ZR03MUdhc2/ZRYznPl+tSN0tqNccKhYgoQ=[/tex]. 特别 [tex=7.143x1.429]2ubNoKI/x6Eye6Xpotfi+0p8l2w0T42du6EjZxX0FKs=[/tex] , 或 [tex=9.0x2.357]pNFrKRjB1difm9b7bQvlHmO6ZmyQG9AqUg6/hldQwzCZOuXgRxt7DoS48Ak9l7fgIenwD+UydHk1joSmTx4keg==[/tex], 并利用此结论,计算下列各式:[tex=5.857x2.429]YLTKJiEouWfpC17s1HRqNRsG1Gdva2CoJcc5WssDku0=[/tex] , 求 [tex=1.643x1.357]QEos0FZVoxidwAY2Qi/JJQ==[/tex].
若 [tex=5.643x1.357]L1oOYW5tn35r5TC0cY2hZA==[/tex] , 证明 [tex=15.357x1.571]GMqNyutdHlCLLt4S19KRVjnhFoFcMXCu98IxPIJIFUN45XijK4m/By0bFL0wIpJ54djOYqwy7ZR03MUdhc2/ZRYznPl+tSN0tqNccKhYgoQ=[/tex]. 特别 [tex=7.143x1.429]2ubNoKI/x6Eye6Xpotfi+0p8l2w0T42du6EjZxX0FKs=[/tex] , 或 [tex=9.0x2.357]pNFrKRjB1difm9b7bQvlHmO6ZmyQG9AqUg6/hldQwzCZOuXgRxt7DoS48Ak9l7fgIenwD+UydHk1joSmTx4keg==[/tex], 并利用此结论,计算下列各式:[tex=9.571x2.786]08wu34PJuLAPcCGdjSeuGAu0BEGi5bHN+pLJ95w+HZVfuRkS7X0HoM07xVFWF/1L[/tex], 求 [tex=1.929x1.357]vmUNP+dKsdI2ZNPnh+kvkQ==[/tex] .
若 [tex=5.643x1.357]L1oOYW5tn35r5TC0cY2hZA==[/tex] , 证明 [tex=15.357x1.571]GMqNyutdHlCLLt4S19KRVjnhFoFcMXCu98IxPIJIFUN45XijK4m/By0bFL0wIpJ54djOYqwy7ZR03MUdhc2/ZRYznPl+tSN0tqNccKhYgoQ=[/tex]. 特别 [tex=7.143x1.429]2ubNoKI/x6Eye6Xpotfi+0p8l2w0T42du6EjZxX0FKs=[/tex] , 或 [tex=9.0x2.357]pNFrKRjB1difm9b7bQvlHmO6ZmyQG9AqUg6/hldQwzCZOuXgRxt7DoS48Ak9l7fgIenwD+UydHk1joSmTx4keg==[/tex], 并利用此结论,计算下列各式:[tex=9.571x2.786]08wu34PJuLAPcCGdjSeuGAu0BEGi5bHN+pLJ95w+HZVfuRkS7X0HoM07xVFWF/1L[/tex], 求 [tex=1.929x1.357]vmUNP+dKsdI2ZNPnh+kvkQ==[/tex] .
若 [tex=5.643x1.357]L1oOYW5tn35r5TC0cY2hZA==[/tex] , 证明 [tex=15.357x1.571]GMqNyutdHlCLLt4S19KRVjnhFoFcMXCu98IxPIJIFUN45XijK4m/By0bFL0wIpJ54djOYqwy7ZR03MUdhc2/ZRYznPl+tSN0tqNccKhYgoQ=[/tex]. 特别 [tex=7.143x1.429]2ubNoKI/x6Eye6Xpotfi+0p8l2w0T42du6EjZxX0FKs=[/tex] , 或 [tex=9.0x2.357]pNFrKRjB1difm9b7bQvlHmO6ZmyQG9AqUg6/hldQwzCZOuXgRxt7DoS48Ak9l7fgIenwD+UydHk1joSmTx4keg==[/tex], 并利用此结论,计算下列各式:[tex=9.571x2.786]OVuxQeDmlToIZWeG7YyrrH9rrVR6fmtFLaNIivb4DnISIUSOmitWUiOVDDbFOKSL[/tex], 求 [tex=1.929x1.357]vmUNP+dKsdI2ZNPnh+kvkQ==[/tex].
若 [tex=5.643x1.357]L1oOYW5tn35r5TC0cY2hZA==[/tex] , 证明 [tex=15.357x1.571]GMqNyutdHlCLLt4S19KRVjnhFoFcMXCu98IxPIJIFUN45XijK4m/By0bFL0wIpJ54djOYqwy7ZR03MUdhc2/ZRYznPl+tSN0tqNccKhYgoQ=[/tex]. 特别 [tex=7.143x1.429]2ubNoKI/x6Eye6Xpotfi+0p8l2w0T42du6EjZxX0FKs=[/tex] , 或 [tex=9.0x2.357]pNFrKRjB1difm9b7bQvlHmO6ZmyQG9AqUg6/hldQwzCZOuXgRxt7DoS48Ak9l7fgIenwD+UydHk1joSmTx4keg==[/tex], 并利用此结论,计算下列各式:[tex=9.571x2.786]OVuxQeDmlToIZWeG7YyrrH9rrVR6fmtFLaNIivb4DnISIUSOmitWUiOVDDbFOKSL[/tex], 求 [tex=1.929x1.357]vmUNP+dKsdI2ZNPnh+kvkQ==[/tex].
若 [tex=5.643x1.357]L1oOYW5tn35r5TC0cY2hZA==[/tex] , 证明 [tex=15.357x1.571]GMqNyutdHlCLLt4S19KRVjnhFoFcMXCu98IxPIJIFUN45XijK4m/By0bFL0wIpJ54djOYqwy7ZR03MUdhc2/ZRYznPl+tSN0tqNccKhYgoQ=[/tex]. 特别 [tex=7.143x1.429]2ubNoKI/x6Eye6Xpotfi+0p8l2w0T42du6EjZxX0FKs=[/tex] , 或 [tex=9.0x2.357]pNFrKRjB1difm9b7bQvlHmO6ZmyQG9AqUg6/hldQwzCZOuXgRxt7DoS48Ak9l7fgIenwD+UydHk1joSmTx4keg==[/tex], 并利用此结论,计算下列各式:[tex=6.857x1.5]kVVyVLWMfMkaQZyWtOltBwsp5pagHEFuBvsNJ/Stimw=[/tex], 求 [tex=1.929x1.357]vmUNP+dKsdI2ZNPnh+kvkQ==[/tex].
若 [tex=5.643x1.357]L1oOYW5tn35r5TC0cY2hZA==[/tex] , 证明 [tex=15.357x1.571]GMqNyutdHlCLLt4S19KRVjnhFoFcMXCu98IxPIJIFUN45XijK4m/By0bFL0wIpJ54djOYqwy7ZR03MUdhc2/ZRYznPl+tSN0tqNccKhYgoQ=[/tex]. 特别 [tex=7.143x1.429]2ubNoKI/x6Eye6Xpotfi+0p8l2w0T42du6EjZxX0FKs=[/tex] , 或 [tex=9.0x2.357]pNFrKRjB1difm9b7bQvlHmO6ZmyQG9AqUg6/hldQwzCZOuXgRxt7DoS48Ak9l7fgIenwD+UydHk1joSmTx4keg==[/tex], 并利用此结论,计算下列各式:[tex=6.857x1.5]kVVyVLWMfMkaQZyWtOltBwsp5pagHEFuBvsNJ/Stimw=[/tex], 求 [tex=1.929x1.357]vmUNP+dKsdI2ZNPnh+kvkQ==[/tex].
【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2
【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2
求定积分[img=179x43]17da65388c0b1ca.png[/img]; ( ) A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2
求定积分[img=179x43]17da65388c0b1ca.png[/img]; ( ) A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2
2 + 2 * (2 * 2 - 2) % 2 / 3
2 + 2 * (2 * 2 - 2) % 2 / 3
函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2
函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2
2×2×2×2×2
2×2×2×2×2
HbF的构成主要是() A: α2β2 B: α2δ2 C: ζ2ε2 D: α2γ2 E: ζ2γ2
HbF的构成主要是() A: α2β2 B: α2δ2 C: ζ2ε2 D: α2γ2 E: ζ2γ2