? A|B|C|D
举一反三
- <img src="http://edu-image.nosdn.127.net/7C967829F4C605BD5700F98BFAF57A1B.jpg?imageView&thumbnail=890x0&quality=100" />? 错误|错误|错误|<img src="http://edu-image.nosdn.127.net/FB19BA6F6B1487CE68F33429508760F3.jpg?imageView&thumbnail=890x0&quality=100" />
- 接上题,逻辑电路图为() 未知类型:{'options': ['[img src="http://edu-image.nosdn.127.net/91AA08EAEEF0CF9B930B1286E136B85A.png?imageView&thumbnail=890x0&quality=100"]', '[img src="http://edu-image.nosdn.127.net/DA6374A086B131D13FA4CDF17BD6C1B3.png?imageView&thumbnail=890x0&quality=100"]', '[img src="http://edu-image.nosdn.127.net/0BB0C036A22E7DD70493E44A3F53ECB6.png?imageView&thumbnail=890x0&quality=100"]', '[img src="http://edu-image.nosdn.127.net/3C239DB911650EF5FE9C2257BB5E9FC9.png?imageView&thumbnail=890x0&quality=100"]'], 'type': 102}
- 下图所示机构自由度计算,( )是正确的。 A: mg src="http://p.ananas.chaoxing.com/star3/origin/cb07ca0fb12be985c301490389c1e187.jpg" B: F=3×7 –(2×9 + 2 – 2)– 2 = 1 C: F=3×7 –(2×9+ 2– 0)– 0 = 1 D: F=3×7 –(2×8+ 2 – 0)– 2 = 1 E: F=3×5 –(2×6+ 2– 0)– 0 = 1
- 逻辑符号如图所示,表示“或”门的是( )。 未知类型:{'options': ['[img src="http://edu-image.nosdn.127.net/D65F2AE7EE4555576A6E4DAD96BD0E48.png?imageView&thumbnail=890x0&quality=100"]', '[img src="http://edu-image.nosdn.127.net/8A0CEC8CE2A12DA585F014307DA8D354.png?imageView&thumbnail=890x0&quality=100"]', '[img src="http://edu-image.nosdn.127.net/F64BEE050C34BBEF29945766BBEEC850.png?imageView&thumbnail=890x0&quality=100"]', '[img src="http://edu-image.nosdn.127.net/EA0A3AD03C781D6E9FB17D60F8A76F52.png?imageView&thumbnail=890x0&quality=100"]'], 'type': 102}
- 已知函数f(x)=ax+a-x(a>0且a≠1),且f(1)=3,则f(0)+f(2)的值是( ) A: 7 B: 8 C: 9 D: 10