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(1)若，則m=_________，n=_________．

(2)若a，b，m均為整數(shù)，且，則m的可能取值是___________．

(3)__________．

(4)已知M是m項(xiàng)多項(xiàng)式，N是n項(xiàng)多項(xiàng)式，則M·N的項(xiàng)數(shù)最多是_________項(xiàng)．

(5)已知M是m次多項(xiàng)式，N是n次多項(xiàng)式，則M·N的次數(shù)最高是_________次．

(1)(x＋a)(x－b)=_________．

(2)(x－a)(x－b)=__________．

(3)(ax＋b)(cx＋d)=__________．

(4)x(x－2)(3－x)=____________．

(5)=___________．

(6)(x＋2y－1)(2x－3y＋2)=___________．

(7)=____________．

(8)=____________．

(1)多項(xiàng)式_________除以得商式．

(2)．

(3)已知，則x=___________．

(4)已知單項(xiàng)式M、N滿足等式．則M=________，N=__________．

(5)不等式成立，則x的取值范圍是___________．

(1)=____________．

(2)=___________．

(3)=__________．

(4)=______________．

(1)．

(2)．

(3)若，則m=_________，n=___________．

(1)=_______；(2)=________；

(3)=_________；(4)=_________．

計(jì)算=___________．

計(jì)算=____________．(用科學(xué)記數(shù)法表示)

=___________．

=__________．