Предмет: Математика, автор: afanasevalexeyalexan

8. Составь выражение и найди его значение.

a) На одной улице 18 одноэтажных домов и 3 двухэтажных. Во сколько раз одноэтажных домов на этой улице больше, чем двухэтажных?
б) В одном доме 10 квартир. Это в 5 раз меньше чем в другом. Сколько квартир в этих двух домах?
в) На каждом этаже 7-этажного дома по 6 квартир, а на каждом этаже 9-этажного дома по 4 квартиры. В каком из этих домов больше квартир, и на сколько?
г) В первом доме 56 квартир, а во втором - в 7 раз меньше. На сколько квартир в первом доме больше, чем во втором?

Срочно!!!

Приложения:

Ответы

Автор ответа: iramazurk
0

Пошаговое объяснение:

a) (1 * 18) : (2 * 3) = 18 : 6 = 3 (раза) - больше одноэтажных

б) 10 + (10 * 5) = 10 + 50 = 60 (квартир) - всего в двух домах

в) (7 * 6) - (9 * 4) = 42 - 36 = 6 (квартир) - больше в семиэтажном доме

г) 56 - (56 : 7) = 56 - 8 = 48 (квартир) - больше в первом доме

Автор ответа: iabezuprechen
0

Ответ:

а) 3

б) 60

в) 6

г) 48

щнп6с6с7нм6имо

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