(3x²y-xy²+1/2xy)÷(-1/2xy)
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![(3x²y-xy²+1/2xy)÷(-1/2xy)](/uploads/image/z/224639-71-9.jpg?t=%EF%BC%883x%26%23178%3By-xy%26%23178%3B%2B1%2F2xy%29%C3%B7%EF%BC%88-1%2F2xy%29)
(3x²y-xy²+1/2xy)÷(-1/2xy)
(3x²y-xy²+1/2xy)÷(-1/2xy)
(3x²y-xy²+1/2xy)÷(-1/2xy)
(3x²y-xy²+1/2xy)÷(-1/2xy)
=3x²y÷(-1/2xy)-xy²÷(-1/2xy)+1/2xy÷(-1/2xy)
=-6x+2y-1
(3x²y-xy²+1/2xy)÷(-1/2xy)=-6x+2y-1