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老张与老李购买了相同输了的种兔,一年后,老张养兔数比买入种兔数增加了2只,老李养兔数比买入种兔数的2倍少1只,老张养兔数不超过老李养兔数的三分之二.一年前老张至少买了多少只种兔? 七年级下数学书148页第7题怎么解?人教版的 -根号3x根号1/27（5-根号3）平方+（1+根号3）（根号3-8）-根号3 乘 根号1/27 根据你的要求,英语怎么说? 苏教版七年级数学下学期补充习题答案 苏教版七年级数学下册补充习题P36计算题直接写答案~关键第六题,我做好了想对一下- 如图，AB=a，P是线段AB上的一点，分别以AP、BP为边做正方形。1、设AP=X，求两个正方形的面积之和S（用含X 苏教版数学七年级上册补充习题39页 Most people make their living with their hands But Jonh makes his living with his feet.And it is a very good living,too.John's story began in a very small city in England.His parents were very poor.Seven people lived in their small house.John had no 谁能给一些定语从句的练习?我现在上初中如果好的话我有重赏哦!还有最好多一些是用"whose,whom"的题目,这是我的最最最弱项了!我上的是初中只要"that,who,which,whom,whose"这些答案的题目. 稀释氯化钠为什么倒9.7ML的5%氯化钠,在加40ML的蒸馏水?稀释氯化钠为什么倒9.7ML的5%的氯化钠溶液，再加40ML的蒸馏水？这是要配制1%的氯化钠溶液啊....为什么不是倒10ML5%氯化钠溶液呢？ 在反比例函数y=x分之5k-20图象的每一条曲线上,y随x的增大而减少,求k的取值范围. 小学英语阅读选择题. Most children like to watch TV.It is very interesting.By watching TV they can see and learn a lot and know many things about their country and the world.Of course,they can also learn over the radio.But they can learn better and more easilywith TV.Why "Culture shock" occurs as result of total immersion in a new culture.It happens to "people who have been suddenly transplanted abroad.” Newcomers may be anxious because they do not speak the language,know the customs,or understand people's behavior 直线y=-x+2和双曲线y=-3/x相交与A.B两点,则三角形oab的面积多少 已知:直线y=x+b与x轴、y轴分别相交于A、B,且三角形OAB的面积为4.已知菱形的面积为6√2cm²,一条对角线的长为2√6cm.则：（1） 另一条对角线的长为-------cm.（2） 周长为-------cm. 已知直线AB与两坐标轴交于A、B两点,点A的坐标为（0,-3）,且三角形OAB的面积为6,求点B的坐标.需要步骤,而且容易让人明白一点. 直线x+y+a=0与圆x^2+y^2=4交于A,B两点,且三角形OAB面积=根号3,则a等于我解了三遍好像都不太对……） 直线X+Y=M 和曲线Y.Y=4(X+4)相交于A B 两点 求三角形OAB面积的最大值 我不是不爱你 只是你的爱我要不起英文速度翻译出来 写给我爱德人到底是哪个阿 求软件翻译出来德行不 .. 一道英语阅读选择题,求详细解答Yoshiko Matsumoto has argued that young women probably never used as many of the highly deferential forms as older women. This highly polite style is no doubt something that young women have been expected to 直线l过点P( 2 ,1 ),且与x轴、y轴的正半轴分别交于A ,B两点,O为坐标原点,则三角形OAB面积的最小值为 直线l与x轴,y轴的正半轴分别交于A(a,0),B（0,b）两点,满足2/a+1/b=1,O为原点,求三角形OAB面积最小值 我不是不爱你,只是不知道怎样开口的英文 知道的,现在高三了,成绩好差,想把基础搞好~ 一片英语阅读选择题五个求解 求2012届初三金太阳第二次全国大联考 考过的来帮帮忙撒,特别是英语.希望英语尽快， My aunt( 1 )a great( 2 )collection.She has 10 tennis tackets,19 basketballs,15 baseballs,24 soccer balls and 27 volleyballs,but she( 3)play sports.She only likes sports collections.She has a son and a ( 4 ).( 5) son likes coccet.He( 6 )soccer(7)with 九年级英语阅读选择题求解 求给我推荐两本高中数学和物理的奥赛辅导书,我是高一的新生,以前从未接触过奥赛,现在想学,求推荐高中奥赛辅导书 求戒指的,项链的,耳环英文单词 soup,vegetables的中文意思