a,-2a^2,3a^3,-4^4______,______试着写出第2010个和2011个代数式

(3a+___)(___-4b)=16b^2-9a^2 初二数学题-填空(1)若a+1/a=2,那么a^2+1/a^2=(___),a^4+1/a^4=(___).(2)若a+1/a=3,a^2+1/a^2=(___),a^4+1/a^4=(___).(3)若a+1/a=n,那么a^2+1/a^2=(___),a^4+1/a^4=(___). 若(9a^2)^3X(1/3)^8=4则a^12=___,a^3=___. Fill in the blank with have ,has1; I __ a nice puppet.2:He ___ a good friend.3:They ___ some masks.4:We ___ some flowers5:She ___ a duck6:My father ___ a new bike7:Her mother ___ a vase8:Our teacher ___ an English book9:Our theachers ___ a basketba 若a^3(3a^m-2a^n+4a^k)=3a^9-2a^6+4a^4,则常数m、n、k的值分别为___、___、___. 若/a+3/+/2a-4/=0则a=___,b=____ 已知a²-4a+2=0,则a+2/a=___,a³-14a=___ 诺丨a丨=0,则a=___.诺丨a丨=3,则a=___.诺丨-a丨=2,则a=___.诺丨x丨=丨-4丨则x等于____. Dim a(3, 4, 2 To 5) 定义的数组共有___(19)___个元素. (3a-2b)(___+2b)=9a平方-4b平方 f(2x+1)=3x-1,f(a)=4,a=___ 用换元法解 Please give me ___ of water1 a little 2 some 3 little 4 a bit 初一英语(根据首字母提示,用人体各部分的名称填空,完成短文)Here is a photo of a nice girl.She has a round f ___(1),long black h ___(2),two big black e ___(3),a small m ___(4)and a small n ___(5).Her e ___ (6) are small,too Her 在横线上填上恰当的词语（英语）.1、 There are ___ seasons in a year .2、 There are ___ seasonds in a minute.3、 There are ___ months in a year.4、 There are ___ days in a week.5、 There are ___ hours in a day.6、 The ___ month in 你能将对话补充完整吗?(每空一词)A:1___ you 2___ a soccer ball?B:No,I 3___.But I have a volleyball.Let's play volleyball.A:That 4___ nice.B:But it's boring for us two to play it.5___ you 6___ and ask Jenny and David A:It 7___ a good idea. 当a等于___时,（a-3）的2次方-5有最___值___ A=x^2-xy,B=xy+y^2,则A+B=___,A-B=___,3A-2B=___. 不等式（a+1）x^2+（3a-4）x+a（a-2）＞0的解是m＜x＜1,则m=___,a=___