Question

计算

3 3 • 3 16

3 6

÷(lg

5

+lg

2

)=______．

Answer 1

3 3 • 3 16

3 6

÷(lg

5

+lg

2

)
=

3 1 3 • 16 1 3

6 1 3

÷(lg5

1

2

+lg 2

1

2

)
=(

3×16

6

)

1

3

÷

1

2

(lg5+lg2)
=8

1

3

×2
=4．
故答案为：4．