10x(5x²-y)-2x(5y+25x²)-3xy 求化简
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10x(5x²-y)-2x(5y+25x²)-3xy求化简10x(5x²-y)-2x(5y+25x²)-3xy求化简10x(5x²-y)-2x(5y+
10x(5x²-y)-2x(5y+25x²)-3xy 求化简
10x(5x²-y)-2x(5y+25x²)-3xy 求化简
10x(5x²-y)-2x(5y+25x²)-3xy 求化简
10x(5x²-y)-2x(5y+25x²)-3xy
=50x³-10xy-10xy-50x³-3xy
=-23xy