Предмет: Математика, автор: Anton3418

Сколько будет из 291430 отнять 30%

Ответы

Автор ответа: Vik2005
0
291 430 * 30 : 100 = 87 429
291 430 - 87 429 = 204 001
Автор ответа: Vik2005
0
там была не ошибка, а опечатка. И в ту же сек. исправлена))))))
Автор ответа: Vik2005
0
успехов в учебе!
Автор ответа: Naska01
0
2) 8/15*(-1/2)-3/10:(-6/5) 3) Вычислите применяя законы умножения. а) -3/5*7/11-2/5*7/11 б) 3/4*7/8-3/4*(7/8-2/3) 4) Первая бригада может выполнить задание за 16 ч,а вторая-за 48 ч.За сколько часов совместной работы они могут выполнить это задание? 5) Через два крана бак наполнился за 9 мин.Если бы был открыт только первый кран,то бак наполнился бы за 36 мин.За сколько минут наполнился бы бак через один второй кран? ПОМОГИТЕ ПОЖ ТОЖЕ
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Choose the correct item.

1 The fizzy drink Coca Cola …….. in the USA in 1886.
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B are first produced D was first produced

2 Dinner …….. every evening at 7:00.
A served C serves
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3 The new sports centre …….. next year.
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B will be opened D was opened

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A will be announced C will announce
B is announced D announces

5 Help …….. to some more coffee.
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6 Cathy …….. by a doctor.
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B bandaged her leg D has had her leg bandaged

7 Who …….. by ?
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B invented skydiving D had invented skydiving

8 My little brother is three years old and he can dress …….. .
A him C himself
B – D his

9 Mr Jones …….. by The Sandwich Company every day.
A has his lunch delivered C had his lunch delivered
B delivered his lunch D is delivering his lunch

10 I can’t concentrate …….. with all this noise.
A myself C –
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11 Mary …….. at the bakery yesterday.
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B had a cake made
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12 Hamburgers …….. by millions of people every day.
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13 I’m painting the house by …….. .
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14 Josie …….. first place in the cookery competition three times already.
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B will award D is awarded

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B will have the cast removed
C removes the cast
D will have the cast remove

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