Question

4-10坑爹数学练习+

Answer 1

4、原式=1/2X16+log3(16)/log3(27)Xlog3(9)/log3(8)

=8+log3(16)/3X2/log3(8)

=8+log3(2)4/3X2/log3(2)3

=8+4log3(2)/3X2/3log3(2)

=8+8/9

=80/9

5、原式=lg10-lg0.01

=1-(-2)

=3

6、n=6

7、√7,±1；

8、1,2π/3；

9、1或-2；

10、a(1+x%)3万元.