Question

找规律,并说出规律(90% 1 4/5 110% 0.7 () () () 1/2 140%)(3/20 () 0.65

Answer 1

1.把每个数化成百分数,如下：

90%,100%,80%,110%,70%,120%,60%,130% 以此类推

规律：从偶数个逐渐增大,奇数个逐渐减小

2.把每个数化成百分数,如下：

15%,40%,65%,90%,115%,140%,165%,190%

规律：每数之间都加25%