化简[a^(4/3)-8a^(1/3)b]/[4b^(2/3)+2(ab)^(1/3)+a^(2/3)]÷[1-2(b/a)^(1/3)]*a^(1/3)

问题描述:

化简[a^(4/3)-8a^(1/3)b]/[4b^(2/3)+2(ab)^(1/3)+a^(2/3)]÷[1-2(b/a)^(1/3)]*a^(1/3)

立方差公式 姐姐