1. 3/8 + 3/5 = 15/40 + 24/40 = 39/40 продали
2. 1 - 39/40 = 1/40 осталась
3. 1/40 * 600 = 15 кг муки осталось
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1. 3/8 + 3/5 = 15/40 + 24/40 = 39/40 продали
2. 1 - 39/40 = 1/40 осталась
3. 1/40 * 600 = 15 кг муки осталось