Question

计算：（1）(214)12?(?9.6)0?(338)?23

计算：（1）(214)12?(?9.6)0?(338)?23+(1.5)?2；（2）log535+2log22?log5150?log514．

Answer 1

（1）(2

1

4

)

1

2

?(?9.6)0?(3

3

8

)?

2

3

+(1.5)?2
=(

9

4

)

1

2

?1?(

27

8

)?

2

3

+(

3

2

)?2
=

3

2

?1?(

3

2

)?2+(

3

2

)?2
=

1

2

；
（2）log535+2log2

2

?log5

1

50

?log514
=log535+log550?log514+2log22

1

2

=log5

35×50

14

+2×

1

2

log22
=log553+1
=3+1
=4．