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在图11（a）所示的电路中,电源电压为22伏且保持不变,滑动变阻器R2上标有“50Ω 2A”字样.闭合电键S后,电流表A的示数为0.4安,电压表V的示数为6伏,求：①定值电阻R1的阻值.②请用定值电阻R0来 繁星春水选段赏析400字繁星春水选一首小诗、做四百字左右的赏析! 繁星春水第二则赏析（200~400字）! a+b+c+d=60,如果a+1=b-1=c×1=d÷1,求a、b、c、d各是多少? 江湖救急,最近头顶上不知道长了什么东西,有点像豆豆大小,圆圆的,尖尖的,摸上去很明显,听同学说那不是豆豆.平时不怎么痛,一洗头就痛,都不敢抓那里,有啥建议可以消掉它不. 江湖救急 驾驶证换证,需要的身体证明,可以在别的城市的车管所办理吗.比如,我的是广西来宾证,但我常住广西柳州,那么换证的时候,我可以在柳州的车管所办理身体证明吗, 解应用题,江湖救急,英雄快来!加工一批零件,甲已合作24天可以完成.现在由甲先做16天,然后已做12天,正好妄称这批零件的3/5,问如果由已单独完成要几天? 叫他赢了是什么短语,叫在这里是什么词性? 繁星春水一赏析 繁星春水的第1-30句的赏析 错误代码678什么意思 描写父亲外貌的句子 如图,△ABC中,∠C=90°,AC=BC,AD平分∠CAB交BC于D,DE⊥AB,垂足为点E,AB=300px,则△DEB的周长为_________cm． Only when we do these well can our parents put their heart in their work.若是不到装则是? 小丽和小亮对于式子x^2/x与x的说法争论起来:小丽认为x^2/x与x都是整式,因为x^2/x=x; 小亮认为x^2/x是分式,x是整式,你认为谁的说法正确?说明理由! Only when we set our minds on the job can we do it well?这话对还是错?本人觉得是：only when we set our minds on the job we can do it well to our surprise,Alex ( ) play chess very well when he was only four.A.might B.would C.should D.could when we do [ ] ,we cant open our eyesa .eyes exercises b.eyes exercise c eye exercise d.eye exercie Only when we try our best,can we have a good life. 英语语法：关于英语祈使句的提问So,with confidence and the right assessment of the difficulties,try and exert your strength,and then we will overcome all problems此句 and then 之前是个祈使句,所以不用主语对吗?and then 后 英语语法牛人请进!祈使句Wait for someone's sb.和Waiting for someone's sb.哪个对? 英语语法：祈使句算不算一个名词性从句?例：I told you don't mess around with Jim. 外貌-语言-动作-心理-感受小作文200字左右 关于父母的爱的作文有神态、动作、语言、外貌一定要有神态动作语言外貌! Where can you always find money 英语谜题 Where can we always find happiness? 在哪里你总能找到任何东西时,你看它?where are you always find anything when you look for it most of don‘t think too much about world hunger.when we are hungry,we can always find something tmost of don‘t think too much about world hunger.when we are hungry,we can always find something to eat usually something delicious.but in many parts You can always find where I am as I always stare you in the night. 在英语里,如何把祈使句改成反义疑问句? 几道初二数学题,会的人帮忙坐坐!要详细过程!好的我会追加分的!如图所示,有一幅长120厘米,宽60厘米的矩形风景画ABCD的四周镶一条金色纸边,制成一幅矩形挂图A¹B¹C¹D¹如果金色