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Mathematics, 31.03.2020 21:35 num1bori

Patrycja kupiła i zmieszała 1kg orzechów włoskich 1,5kg rodzynek i 3,5kg orzechów laskowych. 1kg rodzynek kosztował 9,60 1kg włoskich 1,5 raza więcej natomiast 1kg laskowych 2,5 raza więcej od rodzynek. Ile kosztował kilogram mieszanki?

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Patrycja kupiła i zmieszała 1kg orzechów włoskich 1,5kg rodzynek i 3,5kg orzechów laskowych. 1kg rod...
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