（____-2)(3x+____)=4-9x²

（____-2)(3x+____)=4-9x² 几条中译英1____ ____ ____与···不同,____v不同2____ ____ 官方语言3____ ____ ____提出,想出（主意）4____ ____ ____以···为基础5____ ____不仅仅,非常6____ ____ ____仅仅7____ ____ ____ ____在···中扮演重要角色 在多项式x的三次方-x+4-2x的三次方-2+3x的二次方+2x中,____与____,____与____,____与____是同类项,合并结果为_____ 若(x+3)(x-4)=ax²+bx+c 则a=____ b=____ c=____ (2x+____)的平方=4(x的平方)+8x+____ 急,计算 (2)7200”＝____'＝____° (3)0.75°＝____'____”急,计算(2)7200”＝____'＝____°(3)0.75°＝____'____”(4)30.26＝____°____'____” x²-x____=(x-___)² 4x²+4x+____=(2x+____)² x²-3/5x+x²-x____=(x-___)²4x²+4x+____=(2x+____)²x²-3/5x+____=(x-___)² 把成语补全.1 ____上游 2____瓦解 3上行____ 4____致用 (5x-____)^2=____-10xy+y^2 同义句：1:I like then very much.=I like them ____ ____.2:Do you like playing the piano?=____ you ____ plating the piano?=____ you ____ ____ ____the piano?3:How often do you have PE classes =____ ____ ____ ____ you hane PE classes?4:Shall we go sh 若1/x+x=3,则x^2/x^4+x^2+1=____ 抛物线y=3x^2-1/2的对称轴是____,顶点坐标为____ (x^2+1)/x=3,则(x^4+1)/x^2=____? （____）+3x²-5x+2=2x²-4x 若实数x,y满足(x-2y-2)(3x+2y+2)+2(x2+4)=0,则x=____,y=____ 定义新运算 x-y=y分之x+1 3-（2-4）=____ 若x-4=1.35,则x=____ 请帮我添成语1,____,___,虎,____.2,_____,鱼___,____.3,____,_____,____,鹤.4,____,____,____,马.5,_____,_____,熊______.6,____,____,鹿____.7,_____,_____,____,鸟.8,___,蛇____,____. 填空：x²+4x+____ =(x+____)²x²-5x+____ =(x-____)²x²_____+9=(x____)²