Предмет: Алгебра, автор: aigerim4147

помогите пожалуйста решить эту задачу:
${5a}^{2} - {6b}^{2} =$

Ответы

Автор ответа: uroki5587

1

Ответ:

ииииииииииииииииииииии

Приложения:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: ksurihuana

1.
Present continuous or present simple? Complete the sentences       choosing     the right verb form. Пример Do you like learning English?
(Do you like / Are you liking)

2.     ………………………………………………….this
program.
(I’m not understanding / I don’t understand)

3.     Jim and his father
……………….. .They are asleep.                                        (
aren’t watching / don’t watch TV).

4.     Tony is upstairs in
the bathroom. He … his hair.                            (washes / is
washing).

5.     Why … ? Are we
late? (do we run / are we running)

6.     There are some
strange noises in the sitting room. What …?

( is Tom doing /
does Tom do)

                7. What time …….every day?

(does John get up /
is John getting up)

                8. Fred and I are good dancers but we….to discos
very often.

( don’t go / aren’t
going )

                9. …………… from Denmark? – No, I’m Swedish.

           (Are you coming / Do you come )

     10.
…………..in the same hotel in New York.


(I always stay / I’m always staying)


11…………….in winter in your country?


(Does it snow / Is it snowing)


12. Joanna …….the dinner at the moment.

                     (
isn’t cooking / doesn’t cook )


She ………on the phone. ( talks / is talking )

1 год назад

Предмет: Английский язык, автор: ksurihuana

1.
Present continuous or present simple? Complete the sentences       choosing     the right verb form. Пример Do you like learning English?
(Do you like / Are you liking)

2.     ………………………………………………….this
program.
(I’m not understanding / I don’t understand)

3.     Jim and his father
……………….. .They are asleep.                                        (
aren’t watching / don’t watch TV).

4.     Tony is upstairs in
the bathroom. He … his hair.                            (washes / is
washing).

5.     Why … ? Are we
late? (do we run / are we running)

6.     There are some
strange noises in the sitting room. What …?

( is Tom doing /
does Tom do)

                7. What time …….every day?

(does John get up /
is John getting up)

                8. Fred and I are good dancers but we….to discos
very often.

( don’t go / aren’t
going )

                9. …………… from Denmark? – No, I’m Swedish.

           (Are you coming / Do you come )

     10.
…………..in the same hotel in New York.


(I always stay / I’m always staying)


11…………….in winter in your country?


(Does it snow / Is it snowing)


12. Joanna …….the dinner at the moment.

                     (
isn’t cooking / doesn’t cook )


She ………on the phone. ( talks / is talking )

1 год назад

Предмет: Английский язык, автор: ksurihuana

1.
Present continuous or present simple? Complete the sentences       choosing     the right verb form. Пример Do you like learning English?
(Do you like / Are you liking)

2.     ………………………………………………….this
program.
(I’m not understanding / I don’t understand)

3.     Jim and his father
……………….. .They are asleep.                                        (
aren’t watching / don’t watch TV).

4.     Tony is upstairs in
the bathroom. He … his hair.                            (washes / is
washing).

5.     Why … ? Are we
late? (do we run / are we running)

6.     There are some
strange noises in the sitting room. What …?

( is Tom doing /
does Tom do)

                7. What time …….every day?

(does John get up /
is John getting up)

                8. Fred and I are good dancers but we….to discos
very often.

( don’t go / aren’t
going )

                9. …………… from Denmark? – No, I’m Swedish.

           (Are you coming / Do you come )

     10.
…………..in the same hotel in New York.


(I always stay / I’m always staying)


11…………….in winter in your country?


(Does it snow / Is it snowing)


12. Joanna …….the dinner at the moment.

                     (
isn’t cooking / doesn’t cook )


She ………on the phone. ( talks / is talking )

1 год назад

Предмет: Математика, автор: lizacociz

Найти частную производную по у и х выражения z= tg(y+2/x-2)

8 лет назад

Предмет: Алгебра, автор: aleksandra0987

Помогите решить Sin^2b+cos^2b+tg^b

8 лет назад