1）、40+42+44+46+······+178+180=?（2）、9999*1111*3333*6667=?（3）、1995*19961996-1996*19951995=?

1+2+3+4+5+6+7+8+9+1+11+12+13+14+15````````1+2+3+4+5+6+7+8+9+1+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28++29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50·································· 计算1/（1*4）+1/（4*7）+1/（7*10)+------+1/(97*100)································································································ 1）、40+42+44+46+······+178+180=?（2）、9999*1111*3333*6667=?（3）、1995*19961996-1996*19951995=? 英语书 40 页 1a 人教版例如：down ·······································across··········································· 快 6·8·10·12·16·20·22·30·34·36·38·40·44（页） 50+49-48-47+46+45-44-43+······-4-3+2+1=? 秦始皇和汉武帝各自的功劳是?（用1·······2·······3··········来说） 按要求完成句子.要求：1）用“无论······还是·····无论······还是······”的句按要求完成句子.要求：1）用“无论······还是·····无论······还是······”的句式.2） 阅读只管向前奔跑的答案1、文章开头四句诗有什么作用························································································ 寒假观察动植物日记急,求300~400字一天一天的例：（1月1日星期四）··············································两天务必.不许废话和英文 关联词 就算······（ ）······ 1 2 3 4 ·····7 ·······10 ········?1 3 5 7 ·····?······?··········290 1 4 9 ·····?······?··········? 急·····················1+2+3+...+999=? 纸鹤数量的意义比如说 1只纸鹤,代表······· 2只纸鹤,代表······· ······················· ···························· ·················· 越多越好, 2[4/3y—（2/3y—1/2）]=3/4y急·································!1 写一篇作文,题目是《这样做,值得》 要求：600字以上,文体不限（诗歌,戏剧除外）快···························································· 用“郑重其事”（造句）急···························································· 1 2 3 6 12 23 44 （ ） 164 ······有什么规律