题目内容
计算:(4x2y-3)2=______.(12x2y-8x3y2+16x4y3)÷(-4x2y)=______.
(1)(4x2y-3)2=16x4y-6;
(2)(12x2y-8x3y2+16x4y3)÷(-4x2y)=-3+2xy-4x2y2.
故答案为16x4y-6、-3+2xy-4x2y2.
(2)(12x2y-8x3y2+16x4y3)÷(-4x2y)=-3+2xy-4x2y2.
故答案为16x4y-6、-3+2xy-4x2y2.
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