389) найдите первый член арифметической прогрессии, если известно, что сумма 11 ее первых членов равна 165, а ее разность равна 7
Бигль02
1
17.05.2019 22:30
2
Другие вопросы по теме Алгебра
mrkobra
25.02.2021 11:43
ms002
25.02.2021 11:44
moldirkenesova
25.02.2021 11:45
PokerFresh
25.02.2021 11:45
Brosherin
07.09.2020 01:19
vavelichTabak
07.09.2020 01:18
ира8800
07.09.2020 01:18
малика232
07.09.2020 01:18
Популярные вопросы
- Fill in: mop, make, not do, wash and keep in the correct tense. 1) Mrs. Jones...
3 - Put the verbs in bold into the to-infinitive or -ing form. 1 • Why don’t you try...
2 - Complete the sentences using the words below. There are three words you do not...
3 - Choose the correct response. 1 A: Can you please show me how to do this exercise?...
1 - Read the email extract in Ex. 1 again and find two examples of: a phrasal verbs:...
1 - Use too or enough and the appropriate word from the list below to complete the...
2 - Read the rubric below and underline the key words. This is part of a letter that...
1 - Complete the sentences using the words below. washes cupboard washing cleans wardrobe...
1 - Put the verbs in brackets into the infinitive without to or -ing form. 1 I can...
2 - Underline the correct item. 1 We can share the chores; you dust the furniture,...
3
Ну берешь формулу суммы членов,разница это q=7 отсюда с легкостью выражаешь В1