Купили 2 отреза ситца по 3 м в каждом и 4 отреза шёлка. сколько метров в 1 отрезе шёлка, если всего купили 26 м ткани? ) *
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28.03.2019 17:00
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1)2*3=6м-купили ситца
2)26-6=20м-шелка
3)20:4=5м-в одном отрезе шелка
ответ:5 метров
2 отреза х 3м = 6 м ткани
26 м ткани - 6 м ткани = 20 м ткани
20м ткани / 4 отреза = 5м в отрезе шелка
ответ: в 1 отрезе шелка 5м ткани