(a^4/3-8a^1/3b)/(4b^2/3+2√ab+a^2/3)/(1-2*√a/b)*√a其中√是立方根!
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(a^4/3-8a^1/3b)/(4b^2/3+2√ab+a^2/3)/(1-2*√a/b)*√a其中√是立方根!(a^4/3-8a^1/3b)/(4b^2/3+2√ab+a^2/3)/(1-2*√a
(a^4/3-8a^1/3b)/(4b^2/3+2√ab+a^2/3)/(1-2*√a/b)*√a其中√是立方根!
(a^4/3-8a^1/3b)/(4b^2/3+2√ab+a^2/3)/(1-2*√a/b)*√a
其中√是立方根!
(a^4/3-8a^1/3b)/(4b^2/3+2√ab+a^2/3)/(1-2*√a/b)*√a其中√是立方根!
原式={[a^1/3(a-8b)]/(4b^2/3+2a^1/3b^1/3+a^2/3)}/[(a^1/3-2b^1/3)/(a^1/3)]*a^1/3
=a^1/3*a^1/3*a^1/3
=a
上面是我的QQ空间,在相册里有个叫题的图片,那个就是这道题的答案了
题目看不懂
(a^4/3-8a^1/3b)../..(4b^2/3+2√ab+a^2/3)../..(1-2*√a/b)*√a
看不出哪是分子,哪是分母
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