Question

計(jì)算：a

3

4

•a-

1

2

÷

3	a4

(a＞0)=______．

Answer 1

當(dāng)a＞0時(shí)，a

3

4

•a-

1

2

÷

3	a4

=a

3

4

•a-

1

2

• a-

4

3

=a

3

4

-

1

2

-

4

3

=a-

1

12

故答案為a-

1

12