Предмет: Математика, автор: barkas75

Хвастун построил железную дорогу. По ней ездят 2 черных поезда и 3 белых. Все поезда ездят с одинаковой скоростью. Через каждые 2 минуты мимо домика проезжает черный поезд. Белые поезда расположены на одинаковом расстоянии друг от друга. Через какие промежутки времени мимо домика проезжает белый поезд?

Ответы

Автор ответа: putilini
0
через одну минуту проезжает белый поезд
Похожие вопросы
Предмет: Английский язык, автор: mezencewa92
1 ........................you at Charlie's party?
a) Did b) Was c) Were
2 ………………………………….very hungry.
a) I b) I'm c) I've
3 Is........................your CD?
a) this b) these c) not
4 ........................favourite thing is chocolate.
a) He's b) It's c) Her
5 'Have you got a mobile?' 'No,.........................'
a) I'm not. b) it isn't. c) I haven't
6 Where………………….stay in Scotland?
a) are you b) you do c) do you
7 She…………………..to the gym on Saturday.
a) goes often b) go often c) often goes
8 Where , …………………….Philip yesterday?
a) did b) were c) was
9 ........................TV a lot?
a) Watch you b) Do you watch c) Are you watch
10 Who........................Leonardo Da Vinci?
a) are b) did c) was
11 When……………………….?
a) did he die b) he died c) died
12 What........................you think of the film?
a) were b) did c) does
13 My parents....... a new computer yesterday.
a) did buy b) buy c) bought
14 ........................a nice time at the party?
a) Did you have b) Had you c) Were you
15…………………………..does the match begin?
a) Who b) Why c) When
16 The sandwiches …………………….not very good.
a) was b) do c) were
17 Who.............those apples?
a) gave you b) did you give c) you gave
18 'Who wrote this letter?''.........................'
a) I wrote b) I have c) I did
19 She, ……………………..very well last night.
a) sing b) sung c) sang
20 She........................n't at school yesterday.
a) did b) was c) were
Предмет: Химия, автор: veronikadrozzina763
Предмет: Русский язык, автор: Аноним