观沧海体现了诗人怎样的胸怀

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英语翻译 英语翻译Once and a Half Ticket A mother and her young son get into a bus in a small city and sit down.The bus conductor comes to them for their money.The mother says:"I want a ticket to Oxford." and gives her a shilling.The conductor looks at the -x三次方z+x四次方y3x(a-b)+2y(b-a)(2a+b)(2a-3b)+(2a+5b)(2a+b) 19分之4乘8=多少19分之4乘8=?24分只23乘46分之2=?72乘9分之11=? 我爸爸每晚都看电视上的篮球赛用英语怎么说 求证5^2*3^(2n+1)-2^2*3^(2n+2)是13的整数倍(n为正整数)(求【5的平方】乘以【3的[2n+1]次方】减去【2的平方】乘以【3的[2n+2]次方是13的整数倍(n为正整数)】 初二数学(关于因式分解)要求过程1.x^4+2001x^2+2000x+20012.ab(a+b)^2-(a+b)^2+13.x^2+xy-6y^2+x+13y-6 a^2+b^2-2ab+4a-4b+3 通过电视看篮球比赛英语怎么说 20分之19乘6要简便的哦 已知sin(π\4-a)=5\13,0 已知sin(π/4-a)=5/13(0<a<π/4),求cos(π/4+a)/cos2a 已知sin(派/4-a)=5/13,a属于(0,派/4),求cos2a/[cos(派/4+a)]的值 初二数学因式分解练习题50道 我每天都和朋友打篮球用英语怎么说?paly用不用+ing? 英语翻译 英语翻译My life has changed a lot in the last three years.I used to have a bad habit of being late for school but now I don’t.I used to copy my classmates’ homework,but now I do it all by myself.I had few hobbies in the past,but now I have ma 英语翻译Today's the day of a big test at school,and you feel awful.Your stomach hurts and you have a headache.Maybe your muscles feel tense and you feel shaky or sweaty.You know you haven't been bitten by the flu bug — but you may have a case o 已知sin(π/4-a)=5/13 a∈(0,π/4)求cos2a/cos(π/4+a) 19999+1999+99+9=?怎么用简便算法 “为自己培养良好的爱好” 英语怎么说? 对...产生兴趣 (延续性) 用英语怎么说 我能做的就是让他们对英语产生兴趣用英语怎么说______ i can do is _____ make them ____ ____ English 把下列各式分解因式2a(x+1)²-2ax² 分解因式:x²-a²-2x-2a 若B分之A大于零,B分之C小于零,那么A乘以C------- 1 大于零 2 小于零 3 不一定 4大于或等于零 1.计数单位的概念 2.A能被B整除(B不等于0) A是B的() B是A的()? sin(π/4-a)=5/13(0 因式分解(a²-2a)²+2(a²-2a)+1(a²-2a)²+2(a²-2a)+1求过程,解题思路或公式 a²-b²-2a+1因式分解a²-b²-2a+1 第一题,因式分解 1,a²+2a+1=第二题,下列多项式中,能用公式法因式分解的是{ }a,x²+4 b,x²+2x+4 c,x²-x+四分之一 d,x²-4y 篮球用英语怎么说