[-xy^2(2x+y)-8xy)-x^2y)]除以2xy=
1个回答
原式=(-2x²y²-xy³-8xy-x²y)÷2xy
=-2x²y²÷2xy-xy³÷2xy-8xy÷2xy-x²y÷2xy
=-xy-y²/2-4-x/2
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