下列各组离子中,能用氨水分离的是
未知类型：{'options': ['[tex=4.429x1.429]jThhFNrExo3uG94js/y0guWiXERZDgpQOFKkwec8oBM=[/tex]', '[tex=4.5x1.429]656SA7XWO0W0k50OjfFNU4bxzE9wlwz43FSnRS8IcXs=[/tex]', '[tex=4.357x1.429]aScHYzxnt64d62w5EAsdrCOwNa9ob0f9ypkd2byBTDU=[/tex]', '[tex=4.286x1.429]4Wf8dcHjfSaMvJ50dEVoIP42Shltfy4Jv3ERKI6aexU=[/tex]'], 'type': 102}
未知类型：{'options': ['[tex=4.429x1.429]jThhFNrExo3uG94js/y0guWiXERZDgpQOFKkwec8oBM=[/tex]', '[tex=4.5x1.429]656SA7XWO0W0k50OjfFNU4bxzE9wlwz43FSnRS8IcXs=[/tex]', '[tex=4.357x1.429]aScHYzxnt64d62w5EAsdrCOwNa9ob0f9ypkd2byBTDU=[/tex]', '[tex=4.286x1.429]4Wf8dcHjfSaMvJ50dEVoIP42Shltfy4Jv3ERKI6aexU=[/tex]'], 'type': 102}
举一反三
- 下列各组离子中,能用氨水分离的是 未知类型：{'options': ['[tex=4.929x1.429]MaTOvi7mwTaDYRWZHIoCv2c93zhK0T6BeoaE71+oxgg=[/tex]', '[tex=4.5x1.429]KRxZVjRdsnF2q3tiEfnEboFrGUZr7yF+vRw442FeXSY=[/tex]', '[tex=4.643x1.429]QkeTtg99G6tUG08AIzl73Vo4Pgr3upo1uQFDJ+BY8CQ=[/tex]', '[tex=4.357x1.429]zr9QvHOOZV/bN+EqyW8LIdlV+bXeBP6HEXjlsPz/zqY=[/tex]'], 'type': 102}
- 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}
- >>>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']
- 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}
- 假设所有变量均为整型, 则表达式[tex=10.571x1.357]LwbIklUNi3bG92VfuhR/2s2h8bPim4KlwMHG5pBJ+3PKMuWS/4OGtcmSMjC2vxzVyrIKC8OVgBRFsqcS0s1A1u2X9g+VlWD58VLIpTfy7/0=[/tex]后[tex=0.571x0.786]FLCxr+5eRIYnIT0kyTRrXg==[/tex]的值为 未知类型：{'options': ['7', '8', '6', '2'], 'type': 102}