四川地区低压电工作业

三个数相加得八有几种 一个数与它自身分别相加.相减.相除,和.差.商相加的和为8.6.这个数是多少? 家装水管是采用铝塑的好还是PPR水管好那?我家准备装修,水管是暗埋的,但我不知道冷热水管是用PPR管好还是用铝塑管好, l have a lot of homework____(do)today这是用所给动词的适当形式填空 铝塑管好还是PPR管好? I have a lot of homework to do today(改为同 义句） I have a lot of homework to do taday.改写成一般疑问句 ( ) you have a lot of homework to do today?A.shall B.will C.do D.are 1.we have （） （lots ,of,a lot ）homework do today. 从1、2、3、.、2006这2006个数中,选出两个数相加,使它们的和大于2006,有几种选法 联塑水管是绿色家装管好?还是联塑白色水管好? Tony does his homework at school.改为一般疑问句 yang xiang did his homework at school yesterday afternoon改为一般疑问句 He has to do his homework at school 变否定 my brother does his homework after school.(改为一般疑问句) 任意三个数字,可以排列出多少组三位数?其公式是什么?假如其中一个数字固定,又能组成多少组?公式又如 家里要装修……选水管,求ppr水管品牌十大排名家里要采购水管了,工头推荐的伟星,有时排第二,有时排第三? 谁知道2013年十大家装水管品牌有哪些?PPR十大名牌1.PPR管10大品牌_金德(中国名牌.中国驰名商标.国家免检产品.十大水管品牌)2.PPR管10大品牌_伟星(中国名牌.中国驰名商标.国家免检产品.十大水 2013年家装十大水管品牌有哪些?谁知道? 反意疑问句he does his homework everyday,they are teachers,she can dance,tom isn‘t reading a magazine,they cleaned the classroom yesterday aftenoon, He has no time to do his homework,--- ----?反义疑问句 家装水管选什么牌子的PPR水管好那?买了新房子,水管选择很重要,想要搞装修,到底该选什么牌子是好,有人推荐用金德伟星牌子的,可是他们都太贵,有没有质量好又实惠的PPR水管牌子?请大家推 家装水管用哪个牌子的PPR水管最好?买了新房子,水管选择很重要,想要搞装修,到底该选什么牌子是好那,有人推荐用金德、金牛、日丰、伟星,可是名牌的太贵,有没有质量好又实惠的水管牌子? The weather in 广州 in summer is much hotter than （ ）in 沈阳.写什么?原因? The weather in Guangdong is hotter than____in Beijing.A.it B.that C.one 英语选择题i live in Nanjing now.i think the weather in Nanjing is much hotter than___in Xi'an inin summer.A.thatB.it The weather is hotter in nanjing than _______.A.that in Shanghai B.in Shanghai's C.in Shanghai D.the weather in Shanghai 为什么? 为什么同一组数我用计算器加出来的和excel中自动求和的得数是不一样的?这两组数完全一样,肯定没错.我还是不太明白,我想那个不是四舍五入的问题,两个数差了144呢? EXCEL保留小数点两位再相加,实际得的数和计算机算的数不一致.在EXCEL数值计算中,开始限定了行列的小数点保留两位数,但实际计算时该合计数还是按原来的保留三位数计算.例如：纵项四个1.25 词汇The weather in Beijing is cooler than ________ （天气）in Shanghai in the autumn The weather in Guangzhou is warmer than______in Beijing in winter.Athat B it C this D oneBeijing in winter.A that B it C this D one The weather in guangzhou is hotter than ____in shenyang. A.that B.It C.this 怎选?