试作题[tex=3.143x1.357]7Gf2vAy6A63vVSUV8rhp3A==[/tex]图所示刚架的内力图。设[tex=2.0x1.0]C1eXktko86a0BBkBgiRJ8Q==[/tex]常数。[img=497x190]179df2f092e1bca.png[/img][img=494x196]179df2f3a616048.png[/img][img=501x203]179df2fd4242a79.png[/img]
举一反三
- 要求方程[img=69x27]1802e4da216c9dd.png[/img]的解，应使用命令 A: dsolve('Df=x^2') B: dsolve('Df==x^2') C: dsolve('Df=x^2',x) D: dsolve('Df==x^2',x)
- 试作题[tex=3.643x1.357]7b6vZm3BlNfp654hJWZVbQ==[/tex]图所示刚架的内力图。设[tex=2.0x1.0]C1eXktko86a0BBkBgiRJ8Q==[/tex]常数。[img=406x419]179df35216118ac.png[/img][img=440x258]179df35fea6332e.png[/img][img=453x326]179df363cfe49ad.png[/img][img=394x141]179df366691f91f.png[/img]
- 试作题[tex=3.143x1.357]j4pQ4G61sCDeAf+euPWMXA==[/tex]图所示刚架的[tex=1.0x1.0]/4LSvKfNeQWJ+IvWbbbjdA==[/tex]图。设[tex=2.0x1.0]hYBAALM+V4PV1D5W5pIDqA==[/tex]常数。[img=441x400]179df25d3eab6aa.png[/img][img=389x232]179df260d0c0b2c.png[/img]
- 设 f(x)=1-2x,g(f(x))=(1-x)/x ,则 [img=51x43]180349caea51829.png[/img] A: 0 B: 1 C: 2 D: 3
- 设 f(x)=1-2x,g(f(x))=(1-x)/x ,则 [img=51x43]180311a45a4ae1d.png[/img] A: 0 B: 1 C: 2 D: 3