找规律求x值(0.8,0.2)=5,(3,51.6,(1/2,1/3)=5/2
计算:(x,1/5)=4
上面的错了,以此为准.找规律求x值(0.8,0.2)=5,(3,5)=1.6,(1/2,1/3)=5/2
计算:(x,1/5)=4
人气:338 ℃ 时间:2019-12-11 16:42:14
解答
(m,n)=z
规律是 1+m/n
即
1+0.8/0.2=5
1+3/5=1.6
1+1/2÷1/3=5/2
(x,1/5)=4
x=(4-1)*1/5=3/5
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