Предмет: Математика, автор: makarchenkotol

Помогите пожалуйста решить.икс разделить на дробь три целых одна седьмая равно дробь пять целых две одиннадцатых разделить на девятнадцать двадцатьпервых

Ответы

Автор ответа: natabyl

х : 3 1/7=5 2/11 : 19/21
переведем смешанные дроби в неправильные дроби
22/7 = 3 1/7
57/11 = 5 2/11
получаем
х : 22/7=57/11 : 19/21
х :22/7=63/11
х=63/11 * 22/7
х=18
Ответ: 18

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On the living one hand, there are plenty of benefits in village life. First of all, the environment is much healthier in the village. The air is fresh, there are no traffic jams and the number of cars is much smaller. The noise level is also lower and usually after 10 p.m. it becomes very quiet.

Secondly, the house in the country can be far cheaper than a flat in the city. So you can have a very spacious place to live with some private territory around it and maybe even a couple of sheds. The price also depends on how far the place is from the city and whether it has schools, hospitals and shops. So it can be very convenient for a family with children.

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