-2-5+8=______ 14-25+12-17=_________-2-5+8=______ 14-25+12-17=_________(-28)-(+12)-(-3)-(+6)=(-25)+(-7)-(-15)-(-6)+(-11)-(-2)=
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比较级和最高级(1)short ______ _________ (2)nice ______ _______ (3) white______ __________ (4)big ______ _______ (5)hot ______ __________ (6) easy ______ _______ (7)good ______ _______ (8)well ______ _______ (9) much ______ _______ (10) little
需要这样的奥数题1.2,5,8,11,14,______.2.1,3,9,27,______,243.3.2,3,5,8,______,17.4.1,2,6,24,______,720.5.1,3,7,15,31,______,127.6.1,4,9,16,25,______,49.7.1,1,2,3,5,8,13,______,34.像这样的,不是就是这个,喊别人莫抄
数字推理:(1)4,9,16,25(______) (2)2,3,5,8,15(______) (3)4,7,13(______),34 (4)1,8,27,64(______)
找规律:1,1,2,3,5,8,13,21,34,55,______,______,______……
excuse ___,jenny.___this your eraser 补全对话,每空一词A:Excuse 1______,Jenny.2______ this your eraser?B:Yes,3______ you.4______ that is my pencil.A:Tim,is this your ruler?C:No,it 5______.6______ her ruler.A:OK.7______ this 8______ English?C:I
将下列单词按词性归类1like,2 twenty ,3easy,4tall,5eye,6where,7hundred,8this9jump,10these,11an,12you,13third,14it,15how,16give.名词______动词______形容词_______代词______数词______冠词_______副词______(只填序号)
有理数的运算练习题(一)填空4.23-17-(+23)=______.5.-7-9+(-13)=______.6.-11+|12-(39-8)|=______.7.-9-|5-(9-45)|=______.8.-5.6+4.7-|-3.8-3.8|=______.9.-|-0.2|+[0.6-(0.8-5.4)]=______.12.9.53-8-(2-|-11.64+1.53-1.36|)=
计算2*4*6*8+16=______,4*6*8*10+16=______,6*8*10*12+16=______,你发现了什么规
下面这些数学填空题怎么做?化简-|-8|=______; -(-5)=______. 绝对值小于5的整数共有____个,它们的和为______.
34.37°=______° ______’______”
-2-5+8=______ 14-25+12-17=_________ (-28)-(+12)-(-3)-(+6)=-2-5+8=______ 14-25+12-17=_________(-28)-(+12)-(-3)-(+6)=(-25)+(-7)-(-15)-(-6)+(-11)-(-2)=写出运算过程
-2-5+8=______ 14-25+12-17=_________-2-5+8=______ 14-25+12-17=_________(-28)-(+12)-(-3)-(+6)=(-25)+(-7)-(-15)-(-6)+(-11)-(-2)=
若x-2y=5,则25-2x+4y=______
计算-1+2-3+4-5+6-7+8-……+2006=______.
5x^2-6x+1-(______)=7x+8
用乘方表示结果(-2)^2009+(-2)^2010=______ (-2/3)^5×(-2/9)^5=______用乘方表示结果: (-2)^2009+(-2)^2010=______ (-2/3)^5×(-2/9)^5=______
在2KMnO4+16HCl=2KCl+2MnCl2+5Cl2+8H2O反应中还原剂是______,还原产物是______.大家帮帮忙啊, Cu+4HNO3=Cu(NO3)2+2NO2+2H2O氧化剂是_____ 氧化产物是_____,还原剂是______,还原产物是______. 谢谢.在问下 在2KMnO4+16HC
写出下列单词的所有格形式.1、Alice ______ 2、pig ______ 3、students______4、Sam and Mike ______ 5、my friend ______ 6、chess ______