Предмет: Математика, автор: vanyushaboyko

Рабочий должен за день 63 детали через 2 часа работы ему осталось сделать 45 деталей за сколько часов он изготовит оставшиися детали если выработка за час не изменится

Ответы

Автор ответа: vitaliy2011
0
Всего - 63 детали
За 2 часа - x деталей
x часов - 45 оставшихся деталей
1) 63-45=18 деталей рабочий изготавливает за 2 час
2) 18:2=9 деталей рабочий изготавливает за 1 час
3) 45:9=5 часов на оставшиеся 45 деталей
Ответ: за 5 часов рабочий изготовит оставшиеся 45 деталей
Автор ответа: denis12122
0
63-45=18(д)-за 2 часа
18:2=9(ч) 
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Раскройте скобки, употребляя глаголы в Present Simple.



ПРИМЕР:

Andrea Schatzmann, an exchange student from Switzerland, (to live) with the Connor family in San Francisco

Andrea Schatzmann, an exchange student from Switzerland, lives with the Connor family in San Francisco.



(USUALLY) 1. My working day (to begin) at seven o'clock. I (to get) up, (to switch) on the radio and (to do) my morning exercises. It (to take) me fifteen minutes. At half past seven we (to have) breakfast. My father and I (to leave) home at eight o'clock. He (to take) a bus to his factory. My mother (to be) a doctor, she (to leave) home at nine o'clock. In the evening we (to gather) in the living room. We (to watch) TV and (to talk).



2. My sister (to get) up at eight o'clock. 3. She (to be) a schoolgirl. She (to go) to school in the afternoon. 4. Jane (to be) fond of sports. She (to do) her morning exercises every day. 5. For breakfast she (to have) two eggs, a sandwich and a cup of tea. 6. After breakfast she (to go) to school. 7. It (to take) him two hours to do his homework. 8. She (to speak) French well.



Раскройте скобки, употребляя глаголы в Present Simple.



1. She (to get) up at 7 am and (to take) a shower.

2. She normally (not to have) breakfast.

3. At half past seven we (not to catch) the bus.

4. Her first class (not to start) at a quarter past eight.

5. A few friends usually (to go) along?

6. They often (to go) out for a pizza?

7. she (to call) her family in Switzerland?