题目
8.3-2.63+2.73×1.5(简便计算)
提问时间:2020-06-13
答案
8.3-2.63+2.73×1.5
=8.3-(2.73-0.1)+2.73×1.5
=8.3+0.1-2.73+2.73×1.5
=8.4+2.73×(1.5-1)
=8.4+2.73×0.5
=8.4+1.365
=9.765
=8.3-(2.73-0.1)+2.73×1.5
=8.3+0.1-2.73+2.73×1.5
=8.4+2.73×(1.5-1)
=8.4+2.73×0.5
=8.4+1.365
=9.765
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
1,人们染上烟瘾,最终因吸烟使自己丧命.
最新试题
- 1f(x)=2cosxsinx+根号3cos2x 怎么化简?
- 2《范进中举》中胡屠户的性格特征,回家后见儿子会说些什么?
- 3why is that a problem though?
- 4fall off fall down的区别 从自行车摔下,应选什么
- 5简便计算:(1)、4.43-(3.55-2.57) (2)、0.9+9.9+99.9+999.9+9999.9
- 611课建构知识体系
- 7漠漠水田飞白鹭 阴阴夏木啭黄鹂的意思
- 8一个长方体鱼缸长80CM,宽60CM,水深50CM,如果再倒入96升水,正好把鱼缸倒满,这个鱼缸高多少
- 9明和小刚从两地同时同向而行,两地相距26km,小明每小时走7km,小刚每小时走...小明和小刚从两地同时同向而行,两地相距26km,小明每小时走7km,小刚每小时走6km,如果小明带一只狗和他同时出发
- 10我和猎人一起掉进了河里,身上的衣服基本湿透了.修改病句
热门考点
- 1This is a new word.please ( ) A.write down it B.write it down C.write then down 原因
- 2一般的新闻稿大概要多少字啊?
- 3he is always the first student to school对吗,还是the first student to get to school
- 4The boys were in the playground.改一般疑问句 ____the boys in the playground?___No__ __.
- 5先化简在求值5a(a-1)-2(2a-1)²+3a²其中a=2
- 6方程|tan2x|=sin(x-π/4)在(-π,π)实数解的个数有几个?
- 7when you come into the reading room,please___________.
- 8CAN(英文缩写)代表什么意思?
- 99.In many cultures people who were thought to have the ability
- 10求 f(x)=sin平方x+cosx+2cos2x+3-4cos平方x 的值域