1. Другие предметы
  2. Запишите все четырехзначные

Запишите все четырехзначные числа, составленные из цифр 1, 2, 3, 4. Сколько чисел вы получили? Запишите гь все четырехзначные числа

lаня lаня    2   17.04.2019 01:10    0

Ответы
olya0091184 olya0091184  17.04.2019 01:10
ответ:

1234; 1243; 1324; 1342; 1423; 1432; 2134; 2143; 2314; 2341; 2413; 2431; 3124; 3142: 3214; 3241: 3412; 3421; 4123; 4132; 4213; 4231; 4312; 4321. Отже, можна отримати 24 числа.
1230; 1203; 1320; 1302; 1023: 1032; 2130; 2103; 2310; 2301; 2013; 2031; 3120; 3102; 3210; 3201; 3012; 302. Отже, можна отримати 18 чисел.
Відповіді відрізняються, оскільки натуральне число не може починатися з цифри 0.
ПОКАЗАТЬ ОТВЕТЫ
Другие вопросы по теме Другие предметы
Вигуська Вигуська  17.04.2019 04:10
Listen and repeat the sentences expressing outrage/disgust. What might the other speaker have said? 1 That s shocking! 2 That s so awful, I m lost for words!...
228эрагон 228эрагон  17.04.2019 04:10
In pairs, decide which of the following statements are T (true) and which are F (false) when writing an opinion essay. Read the theory box and check....
FROST1234567891011 FROST1234567891011  17.04.2019 04:10
How does the convict s way of speaking differ from Pip s? Underline the parts of the convict s speech that show us this and say what they mean. Why do you think Dickens did...
VikaPikcha VikaPikcha  17.04.2019 04:10
Look at the picture. Where are the characters? What do you think will happen in the extract? Read to find out....
Qweyudbdbf Qweyudbdbf  17.04.2019 04:10
Compare the sentences. How do they differ in meaning. 1 a) He continued shouting, b) He continued to shout....
Nad17ka Nad17ka  17.04.2019 04:10
Read the description of the convict again in the first section of the extract and make notes about how he: walked, looked, spoke, acted. Use your notes to describe him to your...
ramazanovmagomed ramazanovmagomed  17.04.2019 04:10
Now close your eyes and imagine you are Pip sitting on the tombstone. What can you see, smell, hear, touch? How do you feel?...
MariaVol19 MariaVol19  17.04.2019 04:10
Complete the table for the model essay. Compare with your partner. paragraph viewpoint/main idea reasons/examples...
SLI2000a SLI2000a  17.04.2019 04:10
Suggest suitable supporting sentences for the topic sentences below. Include appropriate linking words/ phrases. 1 Firstly, helping to look after...
Вкуснаяводичка Вкуснаяводичка  17.04.2019 04:10
In pairs, write a suitable introduction and conclusion for the essay title below, using appropriate techniques and expressing your opinion. Compare with another pair....

Популярные вопросы