m的平方被n的四次方除??_____________
a與3的和乘以b的5倍??________________
化簡下列各題:
1. a-6a+3a
=______
2. 2(3c-2d)-(c+3d)
=__________
3. 3(2x+5)+2x(3x-2)
=_____________
4. (-4)(2p+3)+(p+2)
=____________
5. 12a乘b乘a除18a乘b乘b
=_________________
6. a次方3/6b乘8b/4a
=_______________
7. (4k+m)(4k+m)
=_____________
8. (3a-2b)(2a+7b-5)
=___________
9. (1+x+2x次方2)(1+x-x次方2)
=________________________