If a,b,c,d are rational numbers(有理数),|a-b|≤9,|c—d|≤16 and |a-b-c+d|=25If a,b,c,d are rational numbers(有理数),|a－b|≤9,|c—d|≤16 and |a－b－c+d|=25,then |b－a|-|d—c|= ．

If the ratio of the degree of exterior angle of ∠A,∠B and ∠C that are in the triangle ABC is5:4:3,then the ratio of the degree of ∠A,∠B and ∠C is( )A.5：4：3 B.3：4：5 C.1：2：3 D.3：2：1 大学accounting题目,全英文,11.A higher P/E ratio means that:a)the stock is more reasonably priced.b)earnings are expected to decrease.c)investors are wary of the stock.d)the stock is relatively expensive.12.If the P/E ratio of a company's commo 希望杯的一个问题if the ratio of the degree of exterior angle of∠A,∠B and ∠C.that are in the triangle ABC is 5:4:3,then the ratio of the degree of ∠A,∠B and ∠C is( ).（A）5:4:3 （B）3:4:5 （C）1:2:3 （D）3:2:1当x≠-5/b时 大学accounting题目,全英文,23.Management's use of resources can best be evaluated by focusing on measures of:a)leverage.b)activity.c)book value.d)liquidity.24.If a firm's debt ratio were 25%,its debt/equity ratio would be:a)33.33%.b)50%.c)25%.d 英语翻译If the Debt ratio is less than 0.5,most of the company's assets are financed through equity.If the Debt ratio is greater than 0.5,most of the company's assets are financed through debt.A Company with a high debt ratio (highly leveraged) c 希望杯的一道题If one side of a triangle is 2 times of another side and it has the largest possible area,then the ratio of its three sides is ( )A、 B、 C、 D、 （英汉小词典：possible 可能的；area面积；ratio比率、比值） ----Are there any English story-books for us studennts in the library?A.if any B.if some C.if many D.if much答案是a.为什么? If he __a bird,he could fly.A.is B.are C.were D.would be if it is fine tomorrow,we___there.a.go b.will go c.are going d.went The malls are crowded with people___ Christmas comes.A.if B.during C.when D.why if those trousers are too big ,buy a smaller__A set B one C piece D pair you can buy some hamburgers____you are hungry a；if b；but c‘for d；so If a,b,c,d are rational numbers(有理数),|a-b|≤9,|c—d|≤16 and |a-b-c+d|=25If a,b,c,d are rational numbers(有理数),|a－b|≤9,|c—d|≤16 and |a－b－c+d|=25,then |b－a|-|d—c|= ． if there ___no air or water,what___we do A:were;would B:are;will C:are;would D:were;will Please come to our meeting if you_____free.A.will be B.was C.are D.are going to be If you go to Beijing,we( )miss you A.will B.are going to C.will be D.are 3q for if(a,b,if(c,d,e)) They are faced with the same kinds of challenges and problems after graduation__we are.A.as if B.even if C.as D.when