(3x²y-xy²+1/2xy)÷(-1/2xy)=?
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(3x²y-xy²+1/2xy)÷(-1/2xy)=?
(3x²y-xy²+1/2xy)÷(-1/2xy)=?
(3x²y-xy²+1/2xy)÷(-1/2xy)=?
(3x²y-xy²+1/2xy)÷(-1/2xy)
=xy(3x-y+1/2)÷(-1/2xy)
=-2(3x-y+1/2)
=-6x+2y-1
(3x²y-xy²+1/2xy)÷(-1/2xy)=?
(3x²y-xy²+1/2xy)÷(-1/2xy)=?
(3x²y-xy²+1/2xy)÷(-1/2xy)=?
(3x²y-xy²+1/2xy)÷(-1/2xy)
=xy(3x-y+1/2)÷(-1/2xy)
=-2(3x-y+1/2)
=-6x+2y-1