代抄写作业
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评选了10明好学生,奖励他们每人一本笔记本若用优惠卡可以打八折一共便宜了16元这种笔记本原来单价多少钱
一本书标价10元 打8折 1 你要付老板 多少钱?2 若老板从中获利四元 则老板购进这本书时打了几折?
长28CM,宽20CM的长方形纸片,四角截去四个相等的小正方形,折成一个无盖的长方形盒子使它的底面积为180CM2,求截去的小正方形的边长是多少CM?
一块长方形铁皮长45厘米宽30,从四个角切掉一个边长5厘米正方形,再做成一个正方形无盖盒子,盒子多少毫升
I like to have my boots and umbrella on a rainy day 为什么用like to和have
I don't like to have friends what are like me.(改错)
找出句子中的错误并改正
找出句中的错误.并改正.Jack with Mark are cousins.Our teacher is an university student.does your pen pal lives in Ningbo?there aren't some balloons in the sky.tom visit his friends in the park yesterday.
找出句中错误并改正What about ask your English teacher for an English book?
一套西装标价600元,打八折出售后,每套可获利25%,卖出100套共可获利多少钱?
一件商品打九折挣二百打八折赔一百成本多少钱
100打八折是多少
用一张正方形的纸制作一个无盖的长方体盒子,设正方形纸的边长为a,这个无盖的长方体盒子的高为h.(只考虑下图所示,在正方形的四个角上各剪去一个大小相同的正方形的情况)⑴用含a和h
找出句子中的错误并改正1.You can go here with your parents.2.There is little water in the cup,isn't there?3.We still have a little money,so we can't buy some bread.4.He wants to join in our rock band.5.Lucy is an America girl.6.We go to sch
每个句子有错误,找出改正.①let's give her different something to eat.②The women likes eat chicken sandwiches .③I'm sorry you didn't have funny on your school trip .④My father got to Paris in the morning of September 10.⑤He usually
有这样一句话“I have a dog,I love dog,dog is my friend”,请用java编写一个方法,计算上面这句话包含“dog”的个数.
油店上午卖了3桶油,8折销售,一桶400元打折后,打折后每桶油的利润相当于原价的10%,这3桶油获利多少元油店上午卖了3桶油,8折销售,一桶400元(打折后),打折后每桶油的利润相当于原价的10%
隋朝的尚书令的官职大还是侍御史大?
找出句子中的错误,并改正
超市的蛋糕柜搞“买四送一”的优惠活动,利润是10%.如果每包蛋糕定价是11元,没
找出以上句子中错误并改正
word2013如何给矩阵里的数字添加角标?我在外面能把角标加上,复制进去就不行了 显示的是一样大小的数字
行列(矩阵)的问题5 0 -43*3行列A=0 2 0 ,求(1)A的固有值和固有向量.2 0 -1(2)P的-1次幂AP 是对角行列,求P.(3)求A的n次幂,n 是自然数.
矩阵.画红线部分,求解
手工制作棱锥,圆台,棱台模型的步骤(就是纸做的实物的那种)
怎么用纸作三棱锥
1 2 3 4 5
2x²-8=0.2x²-8=0(2x+3)²+3=0(x-1)²-4=0
初三数学/切线的判定练习题
切线的性质如图,D是半径为R的○O上一点,过点D作○O的切线交直径AB的延长线于C,下列四个条件:①AD=CD;②∠A=30°;③∠ADC=120°④DC=√3R.其中,使得BC=R的有A.①② B.①③④ C.②③④ D.①②③④
X²-2X-8=0
(2x-1)(1-x)/x+2≥0与4-x²/x²-2x-8≤0怎么解