You need to stir it Finally, when...
First of all, chop...
Next, you.
The first thing to do is ...
Then, add ...
Mum: Right, Josh. The first thing to do is get out the ingredients. You'll need an onion, two cloves of garlic, a tin of chopped tomatoes, the packet of mince from the
fridge and some tomato puree. Josh: OK, I'll write down what I have to do.
Mum: Ready??... the onion and the garlic and fry them gently with some oil until they're soft. 3 add the mince to the pan. 4 for a few minutes until it's brown.
Josh:
Mum:
Josh:
OK. It sounds simple enough. What else? 5. the tin of tomatoes, a tablespoon of tomato puree, some water to cover the meat, and salt and pepper.
OK. Then what?
Mum: it boils, turn the heat down low. And that's it! If you put a lid on it and let it cook gently, it will be ready when I get home.
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Ответы на вопрос:
Источник тока с внутренним сопротивлением r и эдс е замкнут на 2 лампочки с сопротивлением 2r каждая соединенных последовательно. если лампочки соединить параллельно, то сила тока в цепи увеличится вдано r1=r2=2*r i1/i2 - ? при параллельном соединении r=r1*r2/(r1+r2)=ri1=e/(r+r)=e/2*rпри последовательном r1+r2=4*ri2=e/(r1+r2+r)=e/5*ri1/i2=5*r/2*r=2,5 ответ сила тока увеличится в 2,5 раза
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