玩具厂做一个玩具,需要3.8元,现在改进了,只需3.4元.同样价格的材料,原来能做180个玩具,现可做多少?

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• 玩具厂做一个玩具,需要3.8元,现在改进了,只需3.4元.同样价格的材料,原来能做180个玩具,现可做多少?
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