分式计算2x/(5x-3)除3/(25x²-9)乘x/(5x+3) 通分x-y/(2x+2y)与xy/(x+y)²
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分式计算2x/(5x-3)除3/(25x²-9)乘x/(5x+3) 通分x-y/(2x+2y)与xy/(x+y)²
分式计算2x/(5x-3)除3/(25x²-9)乘x/(5x+3) 通分x-y/(2x+2y)与xy/(x+y)²
分式计算2x/(5x-3)除3/(25x²-9)乘x/(5x+3) 通分x-y/(2x+2y)与xy/(x+y)²
2x/(5x-3)除3/(25x²-9)乘x/(5x+3)
=2x/(5x-3)×(5x+3)(5x-3)/3×x/(5x+3)
=2x²/3
通分x-y/(2x+2y)与xy/(x+y)²
(x-y)/(2x+2y)=(x-y)(x+y)/2(x+y)²
xy/(x+y)²=2xy/2(x+y)²
分式计算2x/(5x-3)除3/(25x²-9)乘x/(5x+3) 通分x-y/(2x+2y)与xy/(x+y)²
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