中国人民会反吗

如何选择运算定律简便计算 用字母表示数 练习题观察下列各组数,用含N的代数式来表示第N个数.1,2,3,4.____2,4,6,8.____1,3,5,7.____3,7,11,15,19.____ 初一数学题,找规律用字母表示数.第一个答对的加悬赏 1（2009 成都）已知an=（n+1）的平方分之1（n=1,2,3……）,记作b1=2（1-a1）,b2=2（1-a）（1-a）,……bn=2（1-a1）（1-a2）……（1-an）,通过计算推测出bn的表达式bn=_______（用含有n的代数式表示）很不 用了什么运算定律? 找规律计算? 按规律计算 括号里面的运算法则是什么先算括号里面的是什么意思,括号旁边有个乘法为什么不算乘法先算括号里的. 有理数加法法则字母公式. 乘法公式里的字母都代表什么? 找规律,填字母A_c_Ef_H_J_ _M_oP_rS_uVWx_z大小写是怎样的规律啊? 找规律填字母!快...DMG（ ）KFP（ ） 根据句子意思和所给首字母或汉语提示,用适当的单词完成句子The new f【】 song caught on really quicklyI want a t【】 that will match with this suitI like to have ice cream for d【】It“s t【】 in England to cat turkey 根据首字母以及汉语提示填单词,完成句子.1.three and five are e__2.lam lvy and h_name is alice.my_(家庭）is very good .各位大哥大姐帮帮忙. 根据句意及首字母填空和根据汉语意思完成句子,一空一词1.I'like a l___ bowl of noodles.2.What s___ coat would you like 3.I eat the bread with c___ and milk.4.T___ is good for you .You'd better drink it every day.5.I want a m___ b 给句首字母或汉语提示完成句中单词T____ right at the supermarket.There's a new b____ over the river.J____ go straight,then you'll find it on you l____.Is there a post office n____ you school?This is a m____ from my pen pil.Go ____（沿 根据首字母、释义及所给的英文句子或汉语提示,完成下列单词的拼写Let us have uour dinner (尽快）＿＿＿＿．It is late.It is late .We must find a h_____ to stay for the nirht. 根据首字母提示和具体意思写出单词完成句子. 根据句子意思个首字母提示完成单词,1.What is the t____ of your leartic?2.We can look up a new word in a d____?4.Please r____ to my letter.第一题打错了，因该是：What is the t______ of your article? 英语,根据首字母提示和句子意思写出单词完成句子 根据句子的意思和首字母提示写出单词the f（） month of a year is mayaugust is the e () month of a year w ()is your mother's birthday we have a basketball game o() each sunday 根据首字母及汉语提示,完成下列单词1.w________ you do,you must pay attention to safety,for safety must come first2.the box is e______there is nothing in it3.the students are a_______to wear their uniforms at shcool,aren't they?4.zhu min 根据首字母或汉语提示完成单词The ship s_____ around the sea last year Tom came face to f_____with his father when he was walking into the door 根据首字母及汉语提示完成单词1.He is ______(自信)enough to pass the exam easily.2.I want to give her a p______.What do you think she’d like?3.An accident may happen if you don’t have a driver’s l______.4.Students are not a______ 根据首字母或汉语提示,完成单词1Lucy is a (好的)girl.2Hox are you,Mary?I'm f ,thank you.3Please I to the teacher 写出单词所缺字母,并在后面的括号里写出中文意思1.st_mp ( ) 2.p_stc_ _d ( ) 3.Br_t_ _ _ ( ) 4.Br_ t_ sh （ ) 5.Am_ r_ c_ ( ) 6.Am_ r_c_n ( ) 7.J_ p_n ( ) 8.J_ p_ n_s _ ( 写出单词所缺字母,并在后面的括号里写出汉语意思 写出单词所缺字母,并在后面的括号里写出中文意思.J _ P _ N Fr _ nce P_stc _ _ d Br_t _ sh Fr_ _nch补充下：A_ str _ l _ _ n Am _ r _ c _ n 写出单词所缺字母,并在后面的括号里写出中文意思:Br_t_ _ 给下列单词填上所缺字母,并在括号里写出单词的中文意思.c_nt_gr_de ( ) c_p_t_l ( )p_p_l_r ( ) l_ng_ _ge ( ) 根据汉语或首字母提示完成单词1.Wang Ming is the （ ）[队长]of our school basketball team.2.Can you r（ ）Tony’s telephone number?I want to call him.3.---Do you konw the p（ ） over there?-----Yes ,he is our math teacher .4.Lisa 用所给的字母组成单词并写出中文意思.1.d t a o y（意思）2.u a h y r s d T3.a W e y n d s e d4.s e c i e n c