90%.1,4/5,110%,0.7,（ ）,( ),( ),1/2,140%
就是
90%,100%,80%,110%,70%,120%,60%,130%,50%,140%
分奇數(shù)項和偶數(shù)項分開討論
所以就是
奇數(shù)項,90%,80%,70%,60%,50%
偶數(shù)項：100%,110%,120%,130%,140%
然后在看這列數(shù)的特點
百分?jǐn)?shù),小數(shù),分?jǐn)?shù).
所以填：90%.1,4/5,110%,0.7,（6/5 ）,(60% ),(1.3 ),1/2,140%