1 1 1 ____ +____ +...+_______ 1*2 2*3 199*200 =(?) =(?) =(?)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/18 21:57:36
111____+____+...+_______1*22*3199*200=(?)=(?)=(?)111____+____+...+_______1*22*3199*200=(?)=(?)=(?)11
1 1 1 ____ +____ +...+_______ 1*2 2*3 199*200 =(?) =(?) =(?)
1 1 1 ____ +____ +...+_______ 1*2 2*3 199*200 =(?) =(?) =(?)
1 1 1 ____ +____ +...+_______ 1*2 2*3 199*200 =(?) =(?) =(?)
1/1*2+1/2*3+1/3*4+1/4*5+...1/198*199+1/199*200
=(1-1/2)+(1/2-1/3)+...+(1/199-1/200)
=1-1/2+1/2-1/3+...+1/199-1/200
=1-1/200
=199/200
英语单词译成中文单词1) ear ____ leg ____ arm ____ hand ____ head ____hair ____ face ____ nose ____ foot ____ mouth ____ bag ____ bed ____bus ____ box ____ car ____ pen ____ sun ____
1、你每天得帮助父母做家务吗?(汉翻英)____ you ____ ____ help ____ ____ ____ ____?
找规律,写相关数字.(1)10____,12____,13____,____,16____,17____,____,____,(2)____,30____,____,60,70____,____.
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
括号里的部分提问:I am ( a student).1、____ ____ ____?2、____ ____ ____?
-11,-7,-3,1,____,____;理由:
Can you count ____ 1 ____ 10?
Can you count ____ 1 ____ 10?
在下面空白处,填上动物名称,组成成语..(1)_____踞____盘;____吟____啸;____争____斗. (2)____章____姿;____飞____舞;____驹____雏.初一寒假作业
1、北京是中国的首都.用英文怎么说Bengjing is the ____ ____ ____ ____.
把成语补全.1 ____上游 2____瓦解 3上行____ 4____致用
can you s_____ like a fish1.can you s_____ like a fish2.I want to buy ____ ____ ____ ____ ____ ____ ____ ____ ____ ____.(1千克鱼和半千克猪肉).
8.06=____×10+____×0.1+_____×0.018.06=____×10+____×1+____×0.1+_____×0.01
1、When I hide,he tries his best to hunt for me ____ ____ ____ ____ ____(睁大眼睛)
写出与打括号部分读音相同的单词1/ thin(th) ____ ____ ____ ____ ____2/ this(th) ____ ____ ____ ____ ____请帮帮忙呀!~~答得好多多给分哦哦!~~
在横线处填数字1~9,使横竖算术成立:____+____+____=14+ + x ____+____+____=15= = =____+____+____=16
请帮我添成语1,____,___,虎,____.2,_____,鱼___,____.3,____,_____,____,鹤.4,____,____,____,马.5,_____,_____,熊______.6,____,____,鹿____.7,_____,_____,____,鸟.8,___,蛇____,____.
西红柿有1段x千克,大白菜有5段,总27千克.【解方程】|____| x千克 【西红柿】|____|____|____|____|____| 【大白菜】共27千克.