一填空题(1)单项式-12x12y3与8x10y6的公因式是________.(2)-xy2(xy)3x(xy)2的公因式是________.(3)把4ab2-2ab8a分解因式得________.(4)可以写成________与________的乘积.(5)多项式14abx-8ab2x2ax各项的公因式是________.(6)7ab414a2b2-49a3b27ab2(________)