一道不等式组应用题,

相关推荐

• 一道初中有关不等式的题已知：ax+b＞0的解集是x＜1/2,求不等式bx-a＜0的解集.
• 一道英文应用题,A sum of $10,000 is deposited at a rate of 6% per annum,compounded half-yearly.Find the amount of money that will have accumulated by the end of the third year
• 做一道英文应用题The road from home to school has six hundred and thirty meters far.Kitty walks at four point two kilometers per hour.She leaves home at five to seven.Ask:when does she arrive at school?(过程和式子用数字,答句用英文)
• 一道英语应用题)One day,there was a new film in little Peter’s school cinema.He wanted to see it.The Teacher told him to pay one dollar for one ticket.Little Peter had got only twenty cents.He went Home and asked Old Peter to give him eighty cents.Old Peter had got only thirty cents.He told little Peter a way to get one ticket with only fifty cents.Little Peter went to school and give the teacher fifty cents and said,”One of my eyes is ill”.I can see the film
• 一道英文应用题among the 800 peopie,百分之70 like swimming.how many people like swimming思路
• 若a＜0,不等式组：12x+a＞0,4x+a＜0的解集为
• 一道关于面积的应用题（小学四年级）把长方形的长增加5米,宽缩短3米后,它的面积是增加了,还是减少了?增加或减少了多少平方米?*要求*可用方程解答一定要解出增加或减少了多少平方米的确切答案
• 一道数学应用题,急,在一个夜晚,站在很远的地方,遥望一座雄伟挺立的七层宝塔,只见宝塔上点着许多盏红灯,红灯数自上而下每隔一层增加一倍,尖顶上有3盏红灯,宝塔上共有多少盏红灯?
• 问一道很简单的英文应用题An insurance salesperson,who sold 260 policies last year,has averaged 4 policies per week for the first 8 months of this year.How many policies per week must he average in the remaining weeks in order to equal his performance for last year?由于告诉的是前8个月,而问又是星期为单位,每个月几个星期又不固定,怎么换算能够达到最高效率?
• 问一道很简单的应用题甲乙两地相距240千米,一辆汽车从甲地开往乙地需要4小时,返回时用了6小时,问这辆汽车往返的平均速度是多少?（列式计算）
• The young trees should _____ well as often as possible
• 0.2mg/kg等于多少mol/L分子质量为356.38