m=n+1/n-1,
mn-m=n+1
nm-m-n-1=0.
n(m-1)=(m+1)
n=(m+1)/(m-1)
n+1=(m+1)/(m-1)+1
=2m/(m-1)两边同除以2,
m/m-1=(n+1)/2
M=(n+1)除以(n-1),M除以m-1=多少,用含n代数式表达
M=(n+1)除以(n-1),M除以m-1=多少,用含n代数式表达
数学人气:680 ℃时间:2020-01-09 05:02:55
优质解答
我来回答
类似推荐
猜你喜欢
- 1已知x,y满足x²+y²-4x+6y+13=0则(3x+y)²-(3x+y)(3x-y)的值为?
- 2写出四个勉励人们勤奋学习的成语:写一句激励人们珍惜时间,发奋努力的名人名言:
- 3-My son are five years old,and I want to buy him some books,please.-OK.These books are _____kids.
- 4Children usually make the lanterns ( )big orange pumpkins ( ) a knife A out of ; in B from;with C
- 5某食堂大米比面粉多65袋吃一周后余下的袋数相同已知面粉还剩5分之4大米吃了80袋还
- 6also going some clothes folk I am buy there 连词成句
- 7甲乙两车同时从东西两地相向开出,甲车每小时行60千米,乙车每小时行52千米,两车在离中点16千米处相遇.
- 8lim x→-8[ (√1-x)-3]/2+3次根号x 的极限是多少?
- 9氮气与氧气,一氧化氮与氧气,二氧化氮与水?
- 10这批大米运往灾区,运了4车才运走2/5,平均每车运走这批大米的几分之几?剩下 的大米还要几车才能运完