xgfkbofdjbofjf,oeajhpaeorjwjgejijhojjhfbnreairgnkn

几题数学题、、、、 (9 21:59:10)1、一个人正在玩一种娱乐游戏机,开始时他口袋里有一些钱.在开始5分钟内,他很幸运,将他原来的钱翻了一倍,但是在第二个5分钟里,他输了2英镑.在第三个5分钟内 I love dogs because they necer ( )and they are grateful. 多项式6x²-2x+3是_______次_____项式,其中二次项是____,一次项的系数是______,常数项是____ Because they're fall in love 有语法错误吗? 解一次函数与二元一次方程组一定要画图像来解吗?不画图像可以吗?比如方程组｛2x－y＝7,3x＋y＝8这道题不画图像怎么解? 一次函数与二元一次方程组的关系：解方程组相当于求_____的值和_____的值,从形的角度看,解方程组相当于求两直线_____的坐标 用算数法 222222222 (31 21:2:15)假设有足够多的各种面值的硬币,让两个人轮流在圆桌上摆硬币,每次摆一个,硬币间不能互相重叠.也不能又一部分在桌面边缘之外.这样经过多次以后,谁先摆不下硬币就算输. 已知函数f(x)=2ax的三次方-6x的平方+3-2/a已知函数f(x)=2ax-6x+3-2/a对于实数a＞0,若曲线y=f(x)上两点A、B处得切线都与x轴平行,且线段AB与x轴有公共点,求a的取值范围（要详细的具体过程） 已知定义域在（-1,1）上的函数是fx上是减函数,且f(a-1)d>(2a),求a的取值范围 If you love someone,let them go.If they return,they were always yours.If they don't,they never were. they 和them与your和yours的关系一样吗,是否都是主宾格关系 his parents love____,but they donot play them.（sport,sports） There are two boys______(talk) under the tree. They always listen to them () high volumeA.in B.on C.at D.among There are ( )under the tree A.three Chinese B.three Chineses C.three sheeps D.three Germen they don't like the naughty boy because he always k___ them.单词填写,急. There are two boys_____(sit) under the big tree There are three children play under the tree.(改正错误） he`s a little bit____,but we like him very much.he is very ____in our team.英语填空 用比例解,算术解都要 第六题用解例比例和算术方法解 They are my good friends改为单数句 There is a boy (under the big tree).就括号里的提问. There is a boy (standing）{ under a big tree}?是不是现在进行时?并分别以（ ）{ }里内容进行提问. There is a boy under the tree,怎样改为疑问句 We must make our planet much ( ) beautiful .写出原因 We must make our planet greener.(看英文总结重点.）列举出来.例：1、…… 2、…… …… we must try to make our school beautiful为什么用to 已知函数y=loga(x^2+mx-m)(a>0,a/=1),就下列条件分别求实数m的取值范围：⑴当值域为R;⑵当定义域为Ra大于0；a不得于0 UK PORT是什么港口 日本和英国都有许多优良港口,英国是什么港,日本是什么港是世界著名的啊?