№21.
7,5 см.
№23.
- Углы равны: 2*10=20< и 7*10=70<
Переходим к ромбу: углы равны: 20*2=40< и 70*2=140<
Ответ: У ромба два угла по 40< и два - по 140<
<span><span>1.</span><span>Вы только что</span><span>получили </span><span> результаты</span><span>экзамена</span><span>и понимаете, что</span><span>у вас будет</span><span>возможность присоединиться к</span><span>вашему другу</span><span>в Англии</span> <span>проходящему тот же самый курс</span><span>. <span>have had- present perfect active/ <span>realize- present simple/ <span>will have- future simple active</span></span></span></span>
<span>2.</span><span>С деловой</span><span>точки зрения,</span><span>преимущества использования</span><span>электронной почты</span><span>позволили нам</span><span>работать</span><span>гораздо быстрее, чем</span><span>в прошлом.-<span> have allowed-<span><span><span>present perfect active</span></span></span></span></span>
<span>3.</span><span>Честно говоря,</span><span>как родитель </span><span>маленьких детей</span><span>, я</span><span>в нерешительности</span><span>и достаточно обеспокоен</span><span>об Интернете.-<span>’am worried- present simple passive</span></span>
<span>4.</span><span>Все, что мы</span><span>просим вас</span><span>сделать, это</span><span>заполнить анкету</span><span>после того, как</span><span>вы использовали</span><span>продукты</span><span>, чтобы дать нам знать</span><span>, что вы думаете</span><span>о них, и</span><span>сказать</span><span>ли вы</span><span>будете</span><span>покупать</span><span>их снова.<span>- ask<span>- think</span><span>- say</span>-<span><span><span><span> present simple</span></span></span></span>/ have<span> used- <span><span><span><span><span><span>present perfect active</span></span></span></span></span></span>/ will<span> buy- <span><span><span><span><span>future simple active</span></span></span></span></span></span></span></span></span>
<span>5.</span><span>Эта статья</span><span>была недавно</span><span>опубликована в одном из</span><span>журналов</span><span>IEEE.-<span>has been published-<span><span><span><span><span><span><span><span><span><span>present perfect</span></span></span></span></span></span></span></span></span></span> passive</span></span></span>
Money appeared much later than the establishment of the national economy: first the ancient tribes used the means of exchange (cattle, fish, ornaments were changed for bread, meat, fabrics), and different peoples used various means for exchange. For example, in Mexico "cocoa beans" were used as "money", pearls and shells were found on the islands of Oceania, in the seas of valuable beasts in Alaska and Canada.
Such commodity-exchange relations were not very convenient and the need arose to create a universal exchange equivalent. So there was money. At first they were metal (in the manufacture in different countries used materials such as copper, silver, bronze). Paper money appeared only in 1910 and since then have firmly entered our life.Ставь лукас и лучшее решение
1. I didn't remember this person and thought that they had met him before.
2. Yesterday I went to the library. I wanted to take the dictionary, but the library was unfortunately closed. I came in late.
3. I thought, we'll see you again before you leave.
4. The road was empty. He drove for half an hour, but have not seen that Church, of which he said to Liz.
5. John said, so we waited for it.
6. What will you do tomorrow at eleven?-At eleven I will have a lecture on history.
7. Sorry I can't read this book in the original.
8. It seemed that the letter was written by a child.
9. In your place I would have asked <span>to see a doctor.</span>
<span>город, дерево дом, гостиная, белый, Россия, стол</span>