Прочитайте приведённые ниже предложения. Выберите и запишите
правильное слово. 1.Have you ever been to Australia? - Yes, I
(have/ had). We (sailed/ have sailed) there last September. 2. Have you written Exercise 4? - Yes. We (have done/ did) it at home yesterday.
3. I have explained the rule to Greg. I (have spoken/ spoke) to him after classes.
4. Mary (has received/ received) this task two days ago. I don't know if she (has already done/
already did) it. 5. (Have you rung/ Did you ring) the office manager yet? - Yes. I (have informed/
informed) her of your visit next week. 6. I (have done/ did) everything. Now I (am/ was) free and (can/ could) home. - Are you sure you (have done/ did) everything? 7.We first (saw/ have seen) this film five years
ago. 8. Has he handed in the project? - Yes, he has.
He (did/ has done) it last week.
9. Mother (gave/ has given) me some money. I can buy a new dictionary. 10. Helen (never swam/ has never swum) in the ocean
Прочитайте приведённые ниже предложения. Выберите и запишите
правильное слово. 1.Have you ever been to Australia? - Yes, I
(have/ had). We (sailed/ have sailed) there last September. 2. Have you written Exercise 4? - Yes. We (have done/ did) it at home yesterday.
3. I have explained the rule to Greg. I (have spoken/ spoke) to him after classes.
4. Mary (has received/ received) this task two days ago. I don't know if she (has already done/
already did) it. 5. (Have you rung/ Did you ring) the office manager yet? - Yes. I (have informed/
informed) her of your visit next week. 6. I (have done/ did) everything. Now I (am/ was) free and (can/ could) home. - Are you sure you (have done/ did) everything? 7.We first (saw/ have seen) this film five years
ago. 8. Has he handed in the project? - Yes, he has.
He (did/ has done) it last week.
9. Mother (gave/ has given) me some money. I can buy a new dictionary. 10. Helen (never swam/ has never swum) in the ocean
21 конфета
Объяснение4 день 3 день
2 день 1
День
2
12
21
вечер
утро
4
8
14
4
дня.
4 день
вечером 4го дня осталось 2 конфеты.
значит утром должно было быть 4 конфеты, т.к. утром надо съесть 2 конфеты. занесем это в таблицу.
3 день
Эти четыре конфеты утра 4го дня - это 2/3 от того, что было вечером зго дня. (потому, что 1/3 она съела). значит вечером Зго дня было
4:(2/3) = 6. а утром значит было (6+2) =8 конфет. -- занесем в таблицу.
2 день
аналогично Зму дню:
вечер
8:(2/3)= 12
утро
12+2 = 14
вечер
1 день
14:(2/3) = 21
Значит днем 1го дня была 21 конфета столько подарила бабушка Ане.