% we call百分之(baǐ fēn zhī) ,1,2,3,4,5,6,7,8,9，10are call 一（yī），二[èr]，三[sān]，四[sì]，五[wǔ]，六[liù]，七[qī]，八[bā]，九[jiǔ]，十[shí] decimal point we call 小数点 [xiǎo shù diǎn] ,In digital reading and writing,we call 点（diǎn） you need fist read percentage and read numbers from left to right .just like37% we call 百分之三十七，40%百分之四十，61%百分之六十一，15.3%百分之十五点三，18.5%百分之十八点五，11%百分之十一

繁体字的话不建议学习，因为笔画很多很难，建议先学好简体字并能听懂普通话，这样看电影或电视剧的时候看下繁体字幕，就可以了。我就是这样学会的。

hello ,I‘d love to be your friend,but my English is not very good.would you mind it

There are many kinds of combined thimble.The combined thimble that you mentioned,we call it字顶针联.It means the last word of the sentence is after the first word.It make the two clause of end to end.