请分析一下答案是怎样来的,第一题6,24,60,120,( )答案A160 B350 C210 D480第二题0.001,0.002,0.006,0.024,( )答案A0.045 B0.12 C0.038 D0.24第三题3/2,5/6,7/12,9/20,( A11/24 B11/30 C13/40 D13/48
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![请分析一下答案是怎样来的,第一题6,24,60,120,( )答案A160 B350 C210 D480第二题0.001,0.002,0.006,0.024,( )答案A0.045 B0.12 C0.038 D0.24第三题3/2,5/6,7/12,9/20,( A11/24 B11/30 C13/40 D13/48](/uploads/image/z/6997548-12-8.jpg?t=%E8%AF%B7%E5%88%86%E6%9E%90%E4%B8%80%E4%B8%8B%E7%AD%94%E6%A1%88%E6%98%AF%E6%80%8E%E6%A0%B7%E6%9D%A5%E7%9A%84%2C%E7%AC%AC%E4%B8%80%E9%A2%986%2C24%2C60%2C120%2C%EF%BC%88+%EF%BC%89%E7%AD%94%E6%A1%88A160+B350+C210+D480%E7%AC%AC%E4%BA%8C%E9%A2%980.001%2C0.002%2C0.006%2C0.024%2C%EF%BC%88+%EF%BC%89%E7%AD%94%E6%A1%88A0.045+B0.12+C0.038+D0.24%E7%AC%AC%E4%B8%89%E9%A2%983%2F2%2C5%2F6%2C7%2F12%2C9%2F20%2C%EF%BC%88+A11%2F24+B11%2F30+C13%2F40+D13%2F48)
请分析一下答案是怎样来的,第一题6,24,60,120,( )答案A160 B350 C210 D480第二题0.001,0.002,0.006,0.024,( )答案A0.045 B0.12 C0.038 D0.24第三题3/2,5/6,7/12,9/20,( A11/24 B11/30 C13/40 D13/48
请分析一下答案是怎样来的,
第一题6,24,60,120,( )答案A160 B350 C210 D480第二题0.001,0.002,0.006,0.024,( )答案A0.045 B0.12 C0.038 D0.24第三题3/2,5/6,7/12,9/20,( A11/24 B11/30 C13/40 D13/48
请分析一下答案是怎样来的,第一题6,24,60,120,( )答案A160 B350 C210 D480第二题0.001,0.002,0.006,0.024,( )答案A0.045 B0.12 C0.038 D0.24第三题3/2,5/6,7/12,9/20,( A11/24 B11/30 C13/40 D13/48
第一题6,24,60,120,(C和D)
答案可选C和D,C(210)和D(480)都可被6整除,它们都与前面四个都没有明确的规律,唯一的规律就是都能被6整除.
第二题0.001,0.002,0.006,0.024,(B)
规律是第二个数是第一个数的2倍,第三个数是第二个数的3倍,第四个数是第三个数的4倍,那么第五个就必定是第四个的5倍,所以0.024*5=0.12,所以是B.
第三题3/2,5/6,7/12,9/20,(B)
规律是:分子是等差数列,3,5,7,9,接下去就肯定是11;分母也是等差数列,6-2=4,12-6=6,20-12=8,后面的差就是10,所以,20+10=30,答案是11/30.