[tex=2.714x1.429]TNaTWWrZfayU6hn0cE2mQA==[/tex]等于[input=type:blank,size:4][/input]。
未知类型:{'options': ['[tex=5.643x1.286]NtXiYDWOeW6+wv7O3igFVtesH4+9NgZJjOSfB1GoCcs=[/tex]', '[tex=3.286x1.286]Tlo8fB2md/Pczh0nmUiVTuZQsxXUSFq8PNP3/bvK08k=[/tex]', '[tex=4.214x1.429]BzfdjcxwKhw9WHBE30i9LmQvnBtYPb0+bMAehTWC0DA=[/tex]', '[tex=3.643x1.286]6UiDudBS/OXqRhDD1jLy8BZrUepNok7qFGmwcFoxXTc=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=5.643x1.286]NtXiYDWOeW6+wv7O3igFVtesH4+9NgZJjOSfB1GoCcs=[/tex]', '[tex=3.286x1.286]Tlo8fB2md/Pczh0nmUiVTuZQsxXUSFq8PNP3/bvK08k=[/tex]', '[tex=4.214x1.429]BzfdjcxwKhw9WHBE30i9LmQvnBtYPb0+bMAehTWC0DA=[/tex]', '[tex=3.643x1.286]6UiDudBS/OXqRhDD1jLy8BZrUepNok7qFGmwcFoxXTc=[/tex]'], 'type': 102}
举一反三
- 设 [tex=4.214x1.429]uZr1yNnKwT3+jwz26iy7tGgBGYCcmEBit9XynfDEjB8=[/tex] 则 [tex=2.643x1.5]d+IhwvI7U/AhlBCzEJR6Eg==[/tex][input=type:blank,size:4][/input]. 未知类型:{'options': ['0', '1', '[tex=1.214x1.214]VQMweMQEnI3dkGu+9zT8PA==[/tex]', '[tex=0.5x0.786]2Y/IM5ut7TLSzO+phHmBTA==[/tex]'], 'type': 102}
- 向量[tex=5.643x1.286]UOUVlYY3Owd/9Y+4aGhD2Q==[/tex]在[tex=4.786x1.286]x/DRKltwGOjd6FFY9joZ6Q==[/tex]上的投影[tex=3.286x1.286]wGfVdUMgAn5LMrF8O6yYwV3vkaAQ2TFHZKAYsbp88SY=[/tex][input=type:blank,size:4][/input],[tex=0.5x1.286]PGyKeLDo0qv9T0n29ldi6w==[/tex]在[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]上的投影[tex=3.286x1.286]7pOAdpiq9AgleNydFoH1oLiJcqz06HIbtdLTBglKvE4=[/tex][input=type:blank,size:4][/input].
- 向量[tex=5.643x1.286]UOUVlYY3Owd/9Y+4aGhD2Q==[/tex]在[tex=4.786x1.286]x/DRKltwGOjd6FFY9joZ6Q==[/tex]上的投影[tex=3.214x1.286]HwD6aHO6Qt0l6J++EPGgPBkdil9ILD3xu4YblbhvSoE=[/tex][input=type:blank,size:6][/input] ,[tex=0.5x1.286]PGyKeLDo0qv9T0n29ldi6w==[/tex]在[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]上的投影[tex=3.143x1.286]HwD6aHO6Qt0l6J++EPGgPJ4STKvTqeKlzMVUIz66NNQ=[/tex][input=type:blank,size:6][/input] .
- 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}
- 设四阶方阵[tex=0.786x1.286]pi/GsQ3apuRt43V3XQq/tA==[/tex]的特征值互不相同,且[tex=3.071x1.286]FYCnFYQQa8C3I+O2sfSSGA==[/tex],则[tex=3.286x1.286]alyMBPvAo3u5wYHBO/9LNw==[/tex][input=type:blank,size:6][/input] . A: 0 B: 1 C: 2 D: 3