计算:(1)a3?a2=______,(2)(-3x2y)2=______,(3)2m2n?(-5m4)=______,(4)(x+1)(x-6)=__
计算:(1)a3?a2=______,(2)(-3x2y)2=______,(3)2m2n?(-5m4)=______,(4)(x+1)(x-6)=______,(5)(...
计算:(1)a3?a2=______,(2)(-3x2y)2=______,(3)2m2n?(-5m4)=______,(4)(x+1)(x-6)=______,(5)(6a2-10ab+2a)÷2a=______,(6)(x+2y)2=______.
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