高锰酸钾褪色ph

求毕克定理两个字母公式,并解释每个字母代表什么 请问勾股定理就是毕克定理吗? 要用毕克定理或者割补法,如图是一组总面积为80平方厘米的七巧板,用它构成右图阴影部分的形状,这个形状内接与长方形,请问这个长方形的面积为多少? 毕克定理怎样数格点 Mike works very hard this term,As___result ,he has made____great progress.Aa./ B.a,a C/,/ D,/,a Because he works very hard＿＿ he has made very great progress.Aand B so C but D...Because he works very hard＿＿ he has made very great progress.Aand B so C but D / 选哪个,, he works very hard and e-------- he has been made manager.e开头的单词 Jzck works hard.Mike works very harder than Jack.找错一处 请翻译：You can't have the cake and eat it. 凸边行的里面有10的点,变是7个点,面积是多少呢? how about ——(do) the dishes? nothing how about u 怎么翻译啊. 人体的下列细胞中含染色体最多的是( )1.白细胞 2.卵细胞 3.次级精母细胞 4.口腔上皮细胞 5.精子A.①④ B.②⑤ C.③⑤ D.②③⑤请给出 ` 有点像向日葵,是黄色的花瓣,中间是褐色的,是什么花? 黄色像太阳花一样的小花是什么 3道简单的分式方程,1.3/(1-x^) = 2/(1+2x+x) - 5/1-2x+x^2.5x/(x^+x-6) + (2x-5)/(x^-x-12) = (7x-10)/(x^-6x+8)3.(x+1)/(x+2) + (x+6)/(x+7) = (x+2)/(x+3) + (x+5)/(x+6) 有一种像向日葵的黄色小花叫什么 1.x+1分之x-1减去x²-1分之4=x+1分之x+22.x²+x分之7+x²-x分之3=x²-1分之63.x+1分之2+x-1分之3=x²-1分之64.x-2分之2+x²-4分之1=x+2分之30.0不好意思哈~是四道~ Don't eat too much meat.it's bad for your health.改为用if引导的条件状语从句 meat____delicious,but don't eat too muth of it.中间填什么? 饮料类别有哪些 how about the dishesfantastic ,nothing else tastes[ ]a terrible b better I dry the dishes about ten minutes.about前可以加(for) 一个布袋有若干个大小、重量一样的不同颜色的彩球,其中红球8个,白球6个,黄球4 个.如果要想从袋中任意摸出一个球是红球的可能性是1/2,你该怎调整,说说看.（至少写两种不同调整方案） 这是什么花, I don't think she has gone to Beijing,的反意疑问部分是什么?为什么! 三大杠杆的分类是根据 的原则来判断的 the dish tastes good .tastes的音标是｛teistiz还是teists the dish tastes very nice 能告诉我它们分别是什么语吗 比如 I look like my mother 主 系 表 定 状 the dish smells____but tastes______（选择题）Awell,badly Bbadly,well Cgood,bad Dworse,bad The dish tastes( ).A.wonderfully B.badlly C.delicious Many people working and living in the city don't have sufficient sleep."working "living "为什么要用ing形式?