请问找规律280.270.140.90.70.30.( ).( )怎做
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![请问找规律280.270.140.90.70.30.( ).( )怎做](/uploads/image/z/6873525-45-5.jpg?t=%E8%AF%B7%E9%97%AE%E6%89%BE%E8%A7%84%E5%BE%8B280.270.140.90.70.30.%28+%29.%28+%29%E6%80%8E%E5%81%9A)
请问找规律280.270.140.90.70.30.( ).( )怎做
请问找规律280.270.140.90.70.30.( ).( )怎做
请问找规律280.270.140.90.70.30.( ).( )怎做
280.270.140.90.70.30.( 35).(10 )
分成两个数列
280,140,70,(35)
270,90,30,(10)
35,10
280是140的两倍,270是90的3倍
35 10
按顺序单数除以2,双数除以3
4/7 3
答案应该是35,10
140*2=280,70*2=140,35*2=70
90*3=270,30*3=90,10*3=30