问题
填空题
计算
|
答案
÷(1-2
-83 a4
b3 a
+23 a2
+43 ab 3 b4
)3 b a
=(
)÷(1-2(a
-8(ab3)4 3 1 3 a
+2(ab)2 3
+4b1 3 4 3
)b a
)1 3
=
×a
×(a-8b)1 3 (a
+2a2 3
b1 3
+4b1 3
) 2 3 a 1 3 a
- 2b1 3 1 3
=a
×(a-8b )2 3 a-8b
=a2 3
故答案为：a2 3