1000г -х
,750 г - 1800
х= 1800*1000/750...х=2400....2,4 руб
2,35кг*2,4р=5т.640 руб
9,12/2,4= 3кг800г
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1000г -х
,750 г - 1800
х= 1800*1000/750...х=2400....2,4 руб
2,35кг*2,4р=5т.640 руб
9,12/2,4= 3кг800г