Xicheng District, Beijing, the first day of the second volume of mathematical exploration and diagnosis questions! ! The test questions of the whole book! I want the electronic version. . Give me speed. . thank you
1、 2、
3.() × 10() =0.000345 4. If (x2)n=x8, then m = _ _ _ _ _
5. If [(x3)m]2=x 12, then m=____.
6、 7、
8 、(-3x2y)×(x3y)=________ 9 、( 3y- 1)(4y+5)=________。