2(x+y)-3分之2(x-y)-3(x+y)+3分之2(x-y)化简全部过程!
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2(x+y)-3分之2(x-y)-3(x+y)+3分之2(x-y)化简全部过程!
2(x+y)-3分之2(x-y)-3(x+y)+3分之2(x-y)化简全部过程!
2(x+y)-3分之2(x-y)-3(x+y)+3分之2(x-y)化简全部过程!
2分之x+y+3分之x-y;4(x+y)-(x-y)谢谢了,
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