分式通分~.通分:a-b,a+b分之a²+ab通分:a-b,a+b分之a²+ab x(x+y)分之x-y,y(x-y)分之x+ya分之1,4a²b分之1,6ab²c分之1x分之y,y分之x,x+y分之xy.分式通分··我数学太差了.叔叔阿姨哥哥姐姐们~
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![分式通分~.通分:a-b,a+b分之a²+ab通分:a-b,a+b分之a²+ab x(x+y)分之x-y,y(x-y)分之x+ya分之1,4a²b分之1,6ab²c分之1x分之y,y分之x,x+y分之xy.分式通分··我数学太差了.叔叔阿姨哥哥姐姐们~](/uploads/image/z/1113391-55-1.jpg?t=%E5%88%86%E5%BC%8F%E9%80%9A%E5%88%86%7E.%E9%80%9A%E5%88%86%EF%BC%9Aa-b%2Ca%2Bb%E5%88%86%E4%B9%8Ba%26sup2%3B%2Bab%E9%80%9A%E5%88%86%EF%BC%9Aa-b%2Ca%2Bb%E5%88%86%E4%B9%8Ba%26sup2%3B%2Bab+x%28x%2By%29%E5%88%86%E4%B9%8Bx-y%2Cy%28x-y%29%E5%88%86%E4%B9%8Bx%2Bya%E5%88%86%E4%B9%8B1%2C4a%26sup2%3Bb%E5%88%86%E4%B9%8B1%2C6ab%26sup2%3Bc%E5%88%86%E4%B9%8B1x%E5%88%86%E4%B9%8By%2Cy%E5%88%86%E4%B9%8Bx%2Cx%2By%E5%88%86%E4%B9%8Bxy.%E5%88%86%E5%BC%8F%E9%80%9A%E5%88%86%C2%B7%C2%B7%E6%88%91%E6%95%B0%E5%AD%A6%E5%A4%AA%E5%B7%AE%E4%BA%86.%E5%8F%94%E5%8F%94%E9%98%BF%E5%A7%A8%E5%93%A5%E5%93%A5%E5%A7%90%E5%A7%90%E4%BB%AC%7E)
分式通分~.通分:a-b,a+b分之a²+ab通分:a-b,a+b分之a²+ab x(x+y)分之x-y,y(x-y)分之x+ya分之1,4a²b分之1,6ab²c分之1x分之y,y分之x,x+y分之xy.分式通分··我数学太差了.叔叔阿姨哥哥姐姐们~
分式通分~.通分:a-b,a+b分之a²+ab
通分:
a-b,a+b分之a²+ab
x(x+y)分之x-y,y(x-y)分之x+y
a分之1,4a²b分之1,6ab²c分之1
x分之y,y分之x,x+y分之xy
.
分式通分··
我数学太差了.
叔叔阿姨哥哥姐姐们~
分式通分~.通分:a-b,a+b分之a²+ab通分:a-b,a+b分之a²+ab x(x+y)分之x-y,y(x-y)分之x+ya分之1,4a²b分之1,6ab²c分之1x分之y,y分之x,x+y分之xy.分式通分··我数学太差了.叔叔阿姨哥哥姐姐们~
(a²+ab)/(a+b)
a-b=(a-b)(a+b)/(a+b)
(x-y)/[x(x+y)]
=y(x-y)²/[xy(x+y)(x-y)]
(x+y)/[y(x-y)]=x(x+y)²/[xy(x+y)(x-y)]
1/a=12ab²c/(12a²b²c)
1/(4a²b)=3bc/(12a²b²c)
1/(6ab²c)=2a/(12a²b²c)
x分之y,y分之x,x+y分之xy
y/x=y²(x+y)/[xy(x+y)]
x/y=x²(x+y)/[xy(x+y)]
xy/(x+y)=x²y²/[xy(x+y)]