(3x²y-xy²+1/2xy)÷(-1/2xy)=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 00:26:56
(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
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来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 00:26:56
(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