Предмет: Математика, автор: нуоченьпушистыйкиса

решите пожалуйста номер 201

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Автор ответа: leoooo345

-3/5=2/5 - мандарины и бананы
2/5 * 9/17=18/85 - мандарины
85/85 - 3/5 - 18/85=(85-51-18)/85=16/85 - бананы
16/85 - 16 кг
85/85 - х
х=16*85/16
х=85 кг
Ответ: всего было 85 кг фруктов

или

примем за 1 - бананы и мандарины
1-9/17=8/17 - бананы
16*17/8=34 кг - бананы и мандарины
примем за 1 все фрукты
1-3/5=2/5 - бананы и мандарины
34*5/2=85 кг - все фрукты
Ответ: всего было 85 кг фруктов

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No one knew how Mr. Sticky got in the fish tank.

"He's very small," Mum said as she peered at the tiny water snail. "Just a black dot."

In the morning Abby jumped out of bed and switched on the light in her fish tank.

Gerry, the fat orange goldfish, was dozing inside the stone archway. It took Abby a while to discover Mr. Sticky because he was clinging to the glass near the bottom, right next to the gravel.

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"Just as well if he's going to be eaten up like that," her Mum said, trying to put on her coat and eat toast at the same time. "But I don't want him to get too huge or he won't be cute anymore. Small things are cute aren't they?"

"Yes they are. Now hurry up, I'm going to miss my train."

At the weekend they cleaned out the tank. "There's a lot of filth on the sides," Mum said. "I'm not sure Mr. Sticky's quite up to the job yet."

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"Where's Mr. Sticky?" Abby asked.

"On the side," Mum said. She was busy concentrating on the water.

Abby looked on all sides of the tank. There was no sign of the water snail.

"He's probably in the gravel then," her mum said. She put the fish back in the clean water where they swam round and round, looking baffled.

That evening Abby went up to her bedroom to examine the tank. The water had settled and looked lovely and clear but there was no sign of Mr. Sticky. She went downstairs.

Her mum was in the study surrounded by papers. She looked impatient when she saw Abby in the doorway and even more impatient when she heard the bad news.

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Abby felt her face go hot and red. It always happened when she was furious or offended.

"You've poured him out, haven't you," she said. "You were in such a rush."

"I have not. I was very cautious. But he is extremely small."

"What's wrong with being small?"

"Nothing at all. But it makes things hard to find."

"Or notice," Abby said and ran from the room.

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"And I've got a magnifying glass," Abby suddenly remembered and rushed off to find it.

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"Ah ha!" Mum suddenly cried.

There, perfectly hidden against the dark stone, sat Mr. Sticky. And right next to him was another water snail, even smaller than him.

"Mrs. Sticky!" Abby breathed.

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A) a goldfish.

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B) he would eat too much.

C) he would leave a lot of dirt on the walls of the fish tank.

D) she found small things to be very pretty.

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A) polished the walls of the tank.

B) used a vacuum cleaner.

C) poured fresh water into the tank.

D) cleaned the filter tube of the fish tank.

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A) to tell her that Mr. Sticky hadn’t turned up.

B) when she had found Mr. and Mrs. Sticky.

C) because she didn’t want to go to bed.

D) to say goodnight.

5. Abby was angry with her Mum because

A) mother ignored her.

B) mother didn’t like Mr. Sticky.

C) she thought that her mother had poured out Mr. Sticky.

D) mother was very strict.

6. Mother came to Abby’s room to look for Mr. Sticky with

A) her new glasses.

B) a filter tube.

C) a magnifying glass.

D) a vacuum cleaner.

7. Abby felt happy and laughed because

A) mother came to help her look for Mr. Sticky.

B) they found Mr. Sticky in the fish tank.

C) the water in the fish tank was very clear and clean.

D) her mother was trying to make her laugh

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