未知类型：{'options': ['[tex=6.0x1.286]uT60fd3iTh3Cb0usaDNoWpVPAEKezd55b2DG5kI6kS4=[/tex]', '[tex=8.214x1.286]UjPR5vmYvABrZ+plCC6qBWfhfHN/toiy7hP5ZybHvQU=[/tex]', '[tex=8.214x1.286]IkA4G4ihMbb2iNZKyn/eihJfGfrq0WYtzVJVmzFbYws=[/tex]', '[tex=11.143x1.286]8yg3SxXjDJ8EDUlBLqEszERGAGhJRJw8wz16BkNIjmN17SoyLMSIbTt5Szsj6w+r[/tex]'], 'type': 102}
举一反三
- 同阶实对称矩阵[tex=2.0x1.286]cdFQTIcX/k6W15SnnVIOSQ==[/tex]合同的充分必要条件是[input=type:blank,size:6][/input] . 未知类型：{'options': ['[tex=5.786x1.286]g8SwOoc3mjjpDvp+UxwKlmKIyJYBt/w89p9ioRDdWtw=[/tex]', '[tex=2.0x1.286]cdFQTIcX/k6W15SnnVIOSQ==[/tex]为同型矩阵', '[tex=2.0x1.286]cdFQTIcX/k6W15SnnVIOSQ==[/tex]的秩与正惯性指数都对应相等', '[tex=2.0x1.286]cdFQTIcX/k6W15SnnVIOSQ==[/tex]的正惯性指数相等'], 'type': 102}
- 设[tex=2.0x1.286]cdFQTIcX/k6W15SnnVIOSQ==[/tex]为[tex=0.643x1.286]ZsZs11iKEvfmzDIurZth8g==[/tex]阶可逆方阵，则下列等式[input=type:blank,size:6][/input]是错误的 . 未知类型：{'options': ['[tex=7.429x1.429]ZTbiE9Y0ln8So02J2X7smkTz/PgJS9VvpDAl2g7eDKe4gUsAKaYJSvvmmdwi991cMhzFu4GWOcwilAu2g8olqg==[/tex]', '[tex=10.214x1.286]04xA38H7ZVpgg5WrFSMT4c+yjNPApMmkB0rqDvrzHE6AckU+38dJ7SukdONxO1iB0rsStCQG3JPOtjULccUW+btakBj3/UEtJt6Oh2Iz4jU=[/tex]', '[tex=10.571x1.286]28EdYWOVyrJG8r1hi/1Mc5lk2MX3V4h/B2YuW1ABHAap6J2G1MEnV2RRJxoh8pUQ[/tex]', '[tex=6.0x1.286]hm4++QrJQp91sVYV7ruRyhFZzMJEHI5UdUekobEg1A6FpDS5M/s6oj7+Oc9l5cKf[/tex]'], 'type': 102}
- 设3阶方阵[tex=2.071x1.286]9rhJ1AXzFOKDcBia45pbow==[/tex]满足[tex=8.214x1.286]7ZYjHEE7HzXQJcFtPFXRUgbBcpKqCY9wWbnP7eFBKHw=[/tex]，其中[tex=0.786x1.286]esgwf7UWeyPnizAgk3o6GQ==[/tex]为3阶单位矩阵，若[tex=7.929x4.786]YmZOrAutSxe6/7rdwvN+7x0FYJYvmLYrtEX+ZY463SmT8z4YzKtAYeBgpcaudgY1hBBc5hi0No7es8ISLjNzjultKhvtpN61XqpwJfAR8qo=[/tex]，则[tex=2.357x1.286]O9l4Mx+uOi2e8W+XU8+OqA==[/tex][input=type:blank,size:4][/input]。
- 封闭体系中的1mol理想气体（已知[tex=1.429x1.571]HCBBhAYWGyH5ALwjTGdVtw==[/tex]），按下列途径由[tex=1.0x1.214]1G+vEDgNLMmy5CXonsO67w==[/tex] 、[tex=1.0x1.214]lwilYZiKHb6OSE1Hw6lw8w==[/tex]和[tex=1.0x1.214]hhEyiXsmUqGVtlGvWeNOYA==[/tex]可逆地变化至[tex=1.0x1.214]X/bsauxa6QmmbP44POFPqQ==[/tex]，则A等容过程的W=[input=type:blank,size:6][/input]，Q=[input=type:blank,size:6][/input]，U=[input=type:blank,size:6][/input]，H=[input=type:blank,size:6][/input]。B等温过程的W=[input=type:blank,size:6][/input]，Q=[input=type:blank,size:6][/input]，U=[input=type:blank,size:4][/input]，H=[input=type:blank,size:4][/input].C绝热过程的W=[input=type:blank,size:6][/input]，Q=[input=type:blank,size:6][/input]，U=[input=type:blank,size:6][/input], H=[input=type:blank,size:6][/input]。
- 设[tex=2.0x1.286]cdFQTIcX/k6W15SnnVIOSQ==[/tex]是[tex=0.643x1.286]ZsZs11iKEvfmzDIurZth8g==[/tex]阶方阵，则下列等式[input=type:blank,size:6][/input]成立 . 未知类型：{'options': ['[tex=7.071x1.286]uovw7beL72zy7N+PyFwbvC1WmYckpo6R92VTNhrZ0pg=[/tex][tex=8.429x1.286]NvBhnnvgrye9OiExu62pbgf35MZvMVHsu4KZ1sQFc3lW98b/tAEuWdbQDfq/T9BA[/tex]', '[tex=4.143x1.286]A/LFR2qPzaH6LMuyHa+bfx2jy5QHXMA/8pFph6PuLLc=[/tex][tex=6.857x1.286]R8CJCVOkLYAWPQlOHgZxD3hWF0oS9e/zO2zH63nTjJQ=[/tex]', '[tex=4.571x1.286]7ufve2OxpJ1NDsZ4B9uPmROWesFSmLE9HbQi5Ug/E5c=[/tex][tex=6.857x1.286]RBhMabi5lTHtnbQjzwycDm1yQz9Nc5L14WkHP/jiHYE=[/tex]', '[tex=3.714x1.286]2gQQQiUfa0CrNUwCcUwPOioqoQ43G4ukBhDh0F/bino=[/tex][tex=2.357x1.286]cNEcpDjQ4f/66FZtVcFPtrbM55gww8IySO1XDhDcjFs=[/tex]'], 'type': 102}
内容
- 0
设[tex=0.643x1.286]ZsZs11iKEvfmzDIurZth8g==[/tex]阶方阵[tex=2.0x1.286]cdFQTIcX/k6W15SnnVIOSQ==[/tex]对应的伴随矩阵分别为[tex=2.786x1.286]Ih6DdOteTDQD0IahSuDV+MNSgXPTuu1Ja8QyRKdAvZY=[/tex]，分块矩阵[tex=6.714x2.786]Nw/iCPiBfAazOGg7nvEajlIw5jl+RO2SmNA9Qn1esVrtkE61ENUIdDPBRH6LlIjO5nrmgJINYZl9Mz/vn8A77g==[/tex]，则[tex=0.786x1.286]TKU5UzNEMzEJwORo6mbEYA==[/tex]的伴随矩阵[tex=2.286x1.286]u8qm2vC3bRLP5hGbGpXdxQ==[/tex][input=type:blank,size:6][/input] . 未知类型：{'options': ['[tex=8.571x3.357]075gCzZzsMRb6HYXYk9X9990UXSwhC4aS30j1YPiTgm3hmsejR/bK2E8n1cVIljP7h60RdT5WNUgHpIYQoHRjpKcCKdCYJ5JVFXKNxTEYz8=[/tex]', '[tex=8.571x3.357]075gCzZzsMRb6HYXYk9X987kyvm6Bsv7fv0XQqco2wEnlTNuea0WEb/NW+27Jyq1Wafep6VDoei2pagyRySH9WiMqBoCRNZdNWUvJBmha+4=[/tex]', '[tex=8.571x3.357]075gCzZzsMRb6HYXYk9X91WL96pCMLEUzVoc6/gfhbPbPJbu++pGgO7iJGvPdZgyFUfh2R3zWya9FQcxBpm2BTnPH+YrqimmpYUrtpd7UoA=[/tex]', '[tex=8.571x3.357]075gCzZzsMRb6HYXYk9X9+YJAcVgyDBoIsVPDf3JvYmjIdJkhb05eI5c1c7O7acymrJ1qew3k4pHA1Hx97MhOcjokDjvPmd3LFt0w27+ji8=[/tex]'], 'type': 102}
- 1
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}
- 2
设[tex=2.0x1.286]cdFQTIcX/k6W15SnnVIOSQ==[/tex]为同阶方阵，则下面结论中正确的是[input=type:blank,size:6][/input] . 未知类型：{'options': ['[tex=7.857x1.286]sDhTyAOIenRGIL5QP4rzfBX6DKQwAIjOJwiD0UeM2G22lIO9OCTjFq/XF/7QPmFB[/tex]且[tex=2.857x1.286]fuglV0muC7HrRCBC+UM7iw==[/tex]', '[tex=7.357x1.286]Ad1xOrHEg7jJ7ZYwaOIOThaEnktXUmnxMcAy/XA/T9+S20nlU9/ga+iNlUcbbUXD[/tex]', '[tex=8.429x1.286]RT4EWfux52G0o1yhmcp63rVYQk+ViNF9Mi5fBNUrzzlLclEDg4dtwDfWhOiZF3ho[/tex]或[tex=3.143x1.286]AHPyffuWokLRqDp9qAwSwA==[/tex]', '[tex=7.357x1.286]Sr7PA1FZ2Ma77kPpTBeeb2mWrwTN4BlY4hmk/nXgiim3hQoLLzsYGEBUAy1ec0YC[/tex]'], 'type': 102}
- 3
设[tex=0.786x1.286]pi/GsQ3apuRt43V3XQq/tA==[/tex]为[tex=0.643x1.286]ZsZs11iKEvfmzDIurZth8g==[/tex]阶方阵且[tex=4.143x1.286]iRTpuO6AOIbUtEoH6bzRBGuYC7nymbfsOz4QEjjfI84=[/tex]，[tex=3.071x1.286]X2fxWhvv0RhC2gC2tE2f8Q==[/tex]，则[tex=4.286x1.286]553nrjbem2/raJeKRcKAJQ==[/tex][input=type:blank,size:6][/input] .
- 4
设[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]是 3 阶矩阵，且[tex=2.643x1.357]h0pLE8vvleI3SS/lZLfCsw==[/tex]，则[tex=4.143x1.357]TzVoItsLVWI00YVI4rvLQQ==[/tex]( ). 未知类型：{'options': ['2', '-2', '8', '-8'], 'type': 102}