作业帮计算题求过程[答者必赞]900x+1200x+1100(60-x-y)-61000-1500
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![计算题求过程[答者必赞]900x+1200x+1100(60-x-y)-61000-1500](/uploads/image/z/10313552-56-2.jpg?t=%E8%AE%A1%E7%AE%97%E9%A2%98%E6%B1%82%E8%BF%87%E7%A8%8B%5B%E7%AD%94%E8%80%85%E5%BF%85%E8%B5%9E%5D900x%2B1200x%2B1100%2860-x-y%29-61000-1500)
计算题求过程[答者必赞]900x+1200x+1100(60-x-y)-61000-1500
计算题求过程[答者必赞]
900x+1200x+1100(60-x-y)-61000-1500
计算题求过程[答者必赞]900x+1200x+1100(60-x-y)-61000-1500
＝900x+1200x+66000-1100x-1100y-61000-1500
＝1000x-1100y+3500
=100(9x+12x + 11*60 -11x - 11y - 610 - 15)
=100(660 -610 -15 + 10x -11y)
=100(35 + 10x-11y)