When using displacement and force methods to solve the given structure, the number of unknowns for the two methods are:[img=129x113]1803b80a5446c96.png[/img]
A: 4 and 9
B: 3 and 8
C: 4 and 8
D: 3 and 9
A: 4 and 9
B: 3 and 8
C: 4 and 8
D: 3 and 9
举一反三
- 图示结构,用位移法或力法计算时,两种情形未知数数目的对比:[img=129x113]1803d1938652a18.png[/img] A: 4与9 B: 3与8 C: 4与8 D: 3与9
- 图示结构,用位移法或力法计算时,两种情形未知数数目的对比,分别是( )。[img=129x113]18039bf4268bbc1.jpg[/img] A: 4与9 B: 3与8 C: 4与8 D: 3与9
- 图示结构,用位移法或力法计算时,两种情形未知数数目的对比,分别是( )。[img=129x113]18035f12c37621e.jpg[/img] A: 4与9 B: 3与8 C: 4与8 D: 3与9
- For what values of a and b will [img=746x216]1803474d8173a86.png[/img]be differentiable for all values of x? A: a=3/4, b=9/4 B: a=3/2, b=9/2 C: a=3/4, b=9/2 D: a=3/2, b=9/4
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=