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
Пошаговое объяснение:
1.
а) 0,02 * 100 = 2%
б) 2,7 * 100 = 270%
в) 0,078 * 100 = 7,8%
г) 54,9 * 100 = 5490%
2.
а) 37 : 100 = 0.37
б) 9 : 100 = 0.09
в) 301 : 100 = 3.01
г) 4.26 : 100 = 0.0426
3.
a)
300 = 100%
3 = 1%
3 * 12 = 36
б)
6 = 100%
0.06 = 1%
0.06 * 15 = 0.9
4.
60 = 100%
0.6 = 1%
0.6 * 30 = 18 детей в автобусе
5.
Для того чтобы узнать сколько процентов составляют квадратики нам надо узнать сколько фигур всего
14 + 6 = 20
Узнаем сколько процентов составляет 1 фигура
100 : 20 = 5
Далее узнаем сколько процентов составляют квадратики
5 * 6 = 30% составляют квадратики
6.
55% - свинина
45% - говядина (45 = 900 грамм)
х = 900 * 100 / 45 = 90000 / 45 = 2000 грамм