Question

化簡a²•

3	a5

•(

1

a

)

5

2

•a

5

6

的結果是（　�。�

A．a(chǎn)

B．a 2 3

C．a(chǎn)2

D．a(chǎn)3

Answer 1

∵a²•

3	a5

•(

1

a

)

5

2

•a

5

6

=a²•a

5

3

•a-

5

2

•a

5

6

=a2+

5

3

-

5

2

+

5

6

=a²，
故選C