Сократить дроби. 2а-2с ____ = 8а 3х+3у ____ = 3х-3у
5-9 класс
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(2a-2c)/8a=2(a-c)/8a=(a-c)/4a
(3x+3y)/(3x-3y)= 3(x+y)/3(x-y)=(x+y)/(x-y)
Другие вопросы из категории
example: my cousin / just / phone. - my cousin has just phoned me.
1. The artist / already / draw.
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lot of ___ snow.
3)____ spring come after ___ winter .
4)____ winter is _____ coldest season.
5)____ english celebrate _____ new year in ____ winter.
вставте артикли,
1)where was he ___ last summer?
2)where will she go __ hext summer?
3)___ water in ___ black sea is clean.
4)___ greens visited __ london ____ last sunday.
5)have ___ good holiday!
ПЛИЗ СДЕЛАЙТЕ СЕГОДНЯ МНЕ НУЖНО ДО ЗАВТРА !!!! ЗАРАНИЕ СПАСИБО!!!
French_____?
3. She doesn't take part in the English-Russian school exchange____?
4. Her hobbies are musik and theatre ____?
5. She has got a foreign penfriend_____?
6. Yesterday Jess gave an interview to the correspondent____?
ЗАРАНЕЕ БОЛЬШОЕ СПАСИБО!!!
____ children
I'm reading ____ at the moment
They went to ____ on holiday last year
She works in the ____shop
I got up early this morning because_______
The supermarket closes at __________
I go swimming _______.
I borrowed ________ car.
moment
4. I _____ not eating because i ____ not hungry
am, is, are, do, does,or did
1. ___ you go away last year?
2. what's that book you ___ reading? is it good?
3. I ____ reading a very good book at the moment
4. what ___ this mean- "tired?"
5. oh, dear! it ___ raining, and i don't have an umbrella
have breakfast 2)___ atound 8o'clock . Then we leave for the beach. We swim for many hours and always have lunch late 3)____ the afternoon. After a short rest, we go out 4)____ night. Sometimes we go to the cinema or to a restaurant. 5)____ Saturdays , we usually go to the market to buy fresh fruit and vegetables and then we go to the beach. 6)____ Sundays , we always wake up late. We usyally get up7)___ around 10 o'clock and enjoy a long breakfast before heading off for the beach. I just love summers!