机器人大擂台未来战舰

若丨a丨=3,丨b丨=4,且a,b同号,求丨a+b丨的值 若丨a丨=5,丨b丨=3,且丨a-b丨=b-a,求a+b之值 若丨a-3丨+丨b+6丨=0,丨c丨=2,求a-b-c的值 连词成句:hair is his biack but is hers brown His hair is brown 对brown化纤提问 课文填空Simon is___ English schoolboy___black hair ang brown eyes. his friend is a boy （）带black hair His hair is black. But his grandfather's hair isHis hair is black. But his grandfather's hair is.(写出black的反义词或对应词) 高一数学 已知集合A=｛x l（x-2)的绝对值＜a｝,B=｛x l (x²-4）的绝对值小于1｝ 且A包含于B 求a的取已知集合A=｛x l（x-2)的绝对值＜a｝,B=｛x l (x²-4）的绝对值小于1｝ 且A包含于B 求a的取值 函数F（x)=x^2-2x+a在区间（2,3）内有一个零点,则实数a的取值范围 高一数学.x加1的绝对值加x减2的绝对值>a恒成立,求a的取值范围,详细过程 福楼拜家的星期天,写了四位作家,作者是怎样组织材料`安排结构的 如图：已知△ABC为等边三角形.延长BC到D,延长BA到E,使AE=BD.求证：CE=DE 一个初二数学关于对称轴的题!∠AOB=45° ∠AOB内有一点P,点P关于OA的对称点为点P1,点P关于OB的对称点为点P2,联结P1P2,分别交OA、OB于点Q、R,并且P1P2=10CM.求：1.△PQR的周长 2.∠P10P的度数 在梯形ABCD中,AD平行于BC,E为CD的中点,连接AE并延长AE交BC的延长线于点F.若AD=2,AB=8,当BC为多少时,点B在线段AF的垂直平分线上. 作者为什么要这样安排详略? 哪里有初二数学的对称轴练习题 Close the door of the office,_________? A.will you B.shall we C.do you D.don'tD是don't you 《福楼拜家的星期天》文章中对左拉是详写还是略写,为什么会有这种安排?作者在描写左拉的外貌时带有怎样的感情? 你（无名英雄）不是金秋的硕果、而是果树下的一方泥土;_________________________________________________.在这个赞颂无名英雄的比喻句后面、再接着仿造一个比喻句、句式要求与前一句相同 完成下列句子任何带功利性的友情储蓄,不仅得不到_,而且_. 例句：我喜欢婉约中英气的李清照,虽是“人比黄花瘦”,也高歌“不肯过江东”的项羽.仿句1：我喜欢 _________________________________________________仿句2：我喜欢 _______________________________________________ ..急..现在要..看不厌,看不厌那些跑沙跑水在旷野与草原上奔驰的马群;看不厌,看不厌那些战风战浪在蓝天中搏击云海的飞鸢和在波峰涛谷中飞翔的白帆;看不厌,看不厌那些穿山穿岭在大地上 Some keys are in classroom 7E 中的in前面Some keys are in classroom 7E 中的in前面为什么不用加the 英语翻译翻译.some keys are in classroom 7e.are they yours?e-mail me at maryg2@gfimail.com some keys are in Classroom 7E 中为什么不加the? The Transrapid Maglev is the world's first high-speed train using magnetic levitated technology.(现在分词做 ____） For eample,Shanghai has b___ the world's first maglev in Pudong 《福楼拜家的星期天》中都德性格特点!原文的话 选择题5道英语的,小学十分简单的( ) 6 I usually come to school _____. A. by a bus B. on foot C. by foot D. on bus ( ) 7. It's ______ weather _____ a walk. A. /…in B. a…for C. a…of D. /…for ( ) 8. He can't see ______ sun. ( ) 31.We want to have some __________ for dinner.so we decide to catch________ now.A.fish…many B.fishes…much C.fish…much D.fishes…many ( ) 32.Hurry up.there is _________ time left.A.little B.few C.a little D.a few ( ) 33._______ nice picture are his keys in the schoolbag作否定回答