设线性非齐次微分方程[tex=7.643x1.286]U7P2I1mwbOCnkSLahr7owp7v9RliReszYqLKUsGA2+M=[/tex]有两个解[tex=2.214x1.286]HGTJ+2xmI6TKpPMMJ6xTHw==[/tex]，[tex=2.214x1.286]gbVMFHdE8KrlOc6ypPIMXQ==[/tex]，[tex=0.5x1.286]m/VGGUpsnKNFGYXigdTc/A==[/tex]为任意常数，则该方程通解是[input=type:blank,size:6][/input] .
未知类型：{'options': ['[tex=6.714x1.286]ScEyzHHgwNeCBKXS51Hcno8Nr5dFH0OBy2Fz358kHXniPL3s6nZ/0R738BzbLOuq[/tex]；', '[tex=10.143x1.286]bcWmm7neKZtVxqrjH5j/cNihE3+lM5nI/Ffv/k0zLMQ0yc4bOl3fv5b71UgX/rrj[/tex]；', '[tex=6.143x1.286]+fTbJS/EriRwr7Tjl0SEUIPIf3yjMoQ9pindHT+0Yxf6C6FkK4adDOK71eRBlRU8[/tex]；', '[tex=10.143x1.286]bcWmm7neKZtVxqrjH5j/cCVzejEnx9gHM+YhfRAryrp43VPNmPxo3n//wHJTY/vE[/tex]\xa0.'], 'type': 102}
未知类型：{'options': ['[tex=6.714x1.286]ScEyzHHgwNeCBKXS51Hcno8Nr5dFH0OBy2Fz358kHXniPL3s6nZ/0R738BzbLOuq[/tex]；', '[tex=10.143x1.286]bcWmm7neKZtVxqrjH5j/cNihE3+lM5nI/Ffv/k0zLMQ0yc4bOl3fv5b71UgX/rrj[/tex]；', '[tex=6.143x1.286]+fTbJS/EriRwr7Tjl0SEUIPIf3yjMoQ9pindHT+0Yxf6C6FkK4adDOK71eRBlRU8[/tex]；', '[tex=10.143x1.286]bcWmm7neKZtVxqrjH5j/cCVzejEnx9gHM+YhfRAryrp43VPNmPxo3n//wHJTY/vE[/tex]\xa0.'], 'type': 102}
举一反三
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为？ A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- 6个顶点11条边的所有非同构的连通的简单非平面图有[tex=2.143x2.429]iP+B62/T05A6ZTM0eeaWiQ==[/tex]个，其中有[tex=2.143x2.429]ndZSw3zT0QTOVLVdoUto1Q==[/tex]个含子图[tex=1.786x1.286]J+vVZa2YaMpc6mJBbqVvWw==[/tex]，有[tex=2.143x2.429]lmhx48evnQMhi03NovPXig==[/tex]个含与[tex=1.214x1.214]kFXZ1uR8GjycbJx+Ts2kyQ==[/tex]同胚的子图。供选择的答案[tex=3.071x1.214]3KinXFh3SXhZ7nIe1y9KEV6aadxhhJWeEy6Dij1iObdMUZkY6ZA5J2dVVjPSuhEf[/tex]：(1) 1 ;(2) 2 ;(3) 3 ; (4) 4 ;(5) 5 ;(6) 6 ; (7) 7 ; (8) 8 。
- 【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=
- 下列方程中是一阶微分方程的是[input=type:blank,size:4][/input]. 未知类型：{'options': ['[tex=8.0x1.571]SnLzj4UlSfnGqNtEzxfZSuZwslGsWxsvP2Y+yf7H578Vefe1Ol/nJT135DjkdnSNNikL3arAj80BjvPHaHCDiA==[/tex]', '[tex=10.571x1.571]JR4yrHJRIZfJXwhFSObwrfajFnWUvXzM/YiA3M6aDKuVBZ8I+7v5iXTXdA3E6Rm4vOE2BCfPwFP2rmRygXKEUDk1qLsNDCJ2p8GEbfCSr2s=[/tex]', '[tex=5.643x1.357]m0sKckxx+jZ9iltApBtB23TBISIOx/g0judcsS+akNFZrUNCq3g+BIVQwGbQEh/C[/tex]', '$y^{(4)}+5 y^{\\prime}-\\cos x=0$'], 'type': 102}