检查丙酮中含有少量乙醛的试剂是
未知类型:{'options': ['[tex=5.0x1.214]1BFLEu2AbxY/GbZJGKINJg==[/tex]', '[tex=6.714x1.286]xvQt8WPE+yyAskqQARWMTeuCDlc27JzqZ2ktdhcw0nQ=[/tex]', '[tex=4.786x1.286]kqnIKzJ0JAWwYwfxNbQvKK2TZphMg10gZ8oN8dA4CE0=[/tex]', '[tex=7.429x1.286]ERnMN8Fp24jwAwgG+v6m9k/pI2wo+pYbVaKtYsM+4O4=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=5.0x1.214]1BFLEu2AbxY/GbZJGKINJg==[/tex]', '[tex=6.714x1.286]xvQt8WPE+yyAskqQARWMTeuCDlc27JzqZ2ktdhcw0nQ=[/tex]', '[tex=4.786x1.286]kqnIKzJ0JAWwYwfxNbQvKK2TZphMg10gZ8oN8dA4CE0=[/tex]', '[tex=7.429x1.286]ERnMN8Fp24jwAwgG+v6m9k/pI2wo+pYbVaKtYsM+4O4=[/tex]'], 'type': 102}
举一反三
- 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}
- 要构成容量为[tex=3.571x1.143]ZBf2MNmWI5vvU+HyOyXA8w+HE/FaX80fN8V8A2L3y3Z53nFZMlD4z/gxTbNT1BW6[/tex]的[tex=2.429x1.0]Xji3MDV9bmyPlT7ZZooIMw==[/tex], 需要 未知类型:{'options': ['2', '4', '8', '32'], 'type': 102}
- [tex=2.214x1.0]Z8GWW72u+MH/mjafnp+83A==[/tex]丙酮酸经过丙酮酸脱氢酶系和柠檬酸循环产生[tex=4.0x1.214]EPDWVFNjIR8daNoozaWRDg==[/tex],生成的[tex=3.214x1.0]1AqDCKqjaAug6buHS5Z0tQ==[/tex]、[tex=3.429x1.214]HYAn2+I9AZQLWcA3ajoPaw==[/tex]和[tex=2.143x1.0]qQANfGnLx7pE5mcaEibuNg==[/tex](或[tex=2.071x1.0]YGdeb/NAM7yg+XY6SY16Fg==[/tex])的摩尔比是( )。 未知类型:{'options': ['3:2:0', '4:2:1', '4:1:1', '3:1:1', '2: 2:2'], 'type': 102}
- 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}
- [tex=8.429x2.857]QFdSgPtZeb4vss+fgMHYaoSHzEWw/2UlNe9qnJJgrI74FX8HWgZv9HRjPF77eNHbg6za3Ica93ODQTP7Mc6gcA==[/tex]则 [tex=3.143x1.357]KiwcT6mwR4irA4J3mE3lAg==[/tex] 未知类型:{'options': ['0', '-1', '2', '[tex=0.714x2.0]VTrdua9N5EDHg65xKeLgBTM97XTe+DYBUh6qrSwzUmk=[/tex]'], 'type': 102}