I usually wear coat
I usually wear scarf
I usually wear pants
I usually wear gloves
I usually wear socks
Для этого нужно показать картинку, но я напишу тебе и в отрицательной и в положительной формах.
She's sitting on the floor.
Jane isn't sitting on the floor.
She's reading a book.
Jane isn't reading a book.
She's playing the piano.
Jane isn't playing the piano.
She's laughing.
Jane isn't laughing.
She's wearing a hat.
Jane isn't wearing a hat.
She's drinking coffee.
Jane isn't drinking coffee.
Напиши "The Day Of Kitty Cat" " Один день котёнка
A little kitty cat woke up .Her mother cleans the kitten,the kitten doesnt like it when he is being cleaned .The kitten eats up her food and goes playing with her brothers and sisters .He eats lunch and goes to sleep,the kittens had a lot of fun.Next time they will wake, up they will have a lot of fun together.
1.You could not see her because she was not home.2. "It can not be that you did not see it; she was at the party." - "Maybe she left early, before my arrival."3. Can you help me collect things?4. The weather can change tomorrow. The weather can not be relied upon.5. Exercise is not difficult. You could do it himself.6. The text is very difficult. You could help translate it.7. Can I use your car?8. You could not call it night?9. Doctor, could you give me a few minutes?<span>10. There can be packaged</span>
2x-5=-1 при х=2
Находим
f (-1) = f (2·2-5) = 22-3·2+5=3
или так:
замена переменной
2 х-5=t ⇒ x = (t+5) / 2
f (t) = ((t+5) 2/4) - 3· ((t+5) / 2) + 5
f (t) = (t2+4t+15) / 4
f (-1) = (1-4+15) / 4=3