(1)m^2-3m/9-m^2
=-(3-m)*m/(3-m)*(3+m)
=-m/(3-m)
(2)x^2-7x/49-x^2
=-x*(7-x)/(7+x)*(7-x)
=-x/(7+x)
化簡(jiǎn)分式（必須是最簡(jiǎn)形式
化簡(jiǎn)分式（必須是最簡(jiǎn)形式
(1)m^2-3m/9-m^2
(2)x^2-7x/49-x^2
(1)m^2-3m/9-m^2
(2)x^2-7x/49-x^2
數(shù)學(xué)人氣：260 ℃時(shí)間：2020-05-31 11:53:44
優(yōu)質(zhì)解答
我來回答
類似推薦
- 將下面的比寫成分式的形式,并化簡(jiǎn)為最簡(jiǎn)分式
- :一道分式的化簡(jiǎn)（請(qǐng)化到最簡(jiǎn)）
- 分式的化簡(jiǎn)到什么程度,才算最簡(jiǎn)
- 分式的化簡(jiǎn)結(jié)果化為一個(gè)最簡(jiǎn)分式與一整式的和行不行?例如(x+2)/(x+1)寫成1/(x+1)+1的形式行不行?
- 找最簡(jiǎn)公分母的步驟?什么是分式化簡(jiǎn)的必經(jīng)途徑?
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個(gè)數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯(cuò)
猜你喜歡
- 1平面與平面重合,是否屬于平行一類?那重合的兩直線,也屬于平行一類的嗎?
- 2非洲每年因饑餓死亡的人數(shù)及現(xiàn)在饑餓人口數(shù)量拜托各位了 3Q
- 3decide to do sth.還=什么
- 4(7/8)o you think of london?B:5.____london is one of the liveliest cities
- 5啤酒可以托運(yùn)嗎
- 6邊長(zhǎng)為2√6的等邊三角形的中心到一邊的距離為?
- 7please give your hand to help me
- 8已知2的X次方等于3的Y次方等于6的Z次方不等等于1,證明X分之一加Y分之一等于Z分之一.
- 9幫我做做?
- 10機(jī)械分析天平TG628A的使用說明書
- 11in winter ,we wear warm coats to protect our bodies_.
- 12( )was most importance to her ,she told me,was her family it this what as