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分式加减法计算⑴5/6xy-2/3xz+3/4xyz⑵【(x^5-x³y²)/(y^4)】·(1/x²y²)³
题目内容:
分式加减法计算
⑴
5/6xy - 2/3xz + 3/4xyz
⑵
【(x^5-x³y²)/(y^4)】·(1/x²y²)³ - (x+y)/y³优质解答
1)5/6xy - 2/3xz + 3/4xyz=10z/(12xyz)-8y/(12xyz)+9/(12xyz)=(10z-8y+9)/(12xyz)2)【(x^5-x³y²)/(y^4)】·(1/x²y²)³ - (x+y)/y³=(x^5-x^3y^2)/(y^4x^6y^6)-(x+y)/y...
⑴
5/6xy - 2/3xz + 3/4xyz
⑵
【(x^5-x³y²)/(y^4)】·(1/x²y²)³ - (x+y)/y³
优质解答
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