Предмет: Математика, автор: valdis19755

Вычисли значение разности 750-233,разложив уменьшаемое 750 на удобные слагаемые.

Ответы

Автор ответа: m46patton2013

4

750-233=(250+500)-233=500+17=517

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УПРАЖНЕНИЕ 1. ОПРЕДЕЛИТЕ ВРЕМЯ. НАПИШИТЕ ЕГО

What time do you usually wake up?

Why are they looking at us?

I can’t talk to you now. I am working.

Does your brother shave every morning?

We don't want to move at all.

Sam is a good football player, but he doesn't play very often.

Is the sun shining? No, it is not.

УПРАЖНЕНИЕ 2. ВЫБЕРИТЕ ПРАВИЛЬНЫЙ ВАРИАНТ СКАЗУЕМОГО

It sometimes (snows/is snowing) here in April.

It (snows/is snowing) now.

Every morning mother (cooks/is cooking) breakfast for us.

It is 8 o’clock now. Mother (cooks/ is cooking) breakfast.

Every day father (leaves/is leaving) the house at half past eight.

Now it is half past eight. Father (leaves/is leaving) the house.

We often (watch/are watching) TV.

УПРАЖНЕНИЕ 3. ЗАПОЛНИТЕ ПРОПУСКИ, ИСПОЛЬЗУЯ DON’T, DOESN’T, ISN’T, AREN’T ИЛИ AM NOT.

We … watching a television programme now.

We … watch television every day.

It… raining very hard at the moment.

I … hear you well.

It… rain very much in summer.

УПРАЖНЕНИЕ 4. НАЧНИТЕ ВОПРОСЫ С DO, DOES, IS, ARE ИЛИ AM.

… you learn new words in each lesson?

… you learning the new words right now?

… she usually sit at the third desk?

УПРАЖНЕНИЕ 5. НАЙДИТЕ ОШИБКИ И ИСПРАВЬТЕ ИХ.

We not going to school today.

What you doing after school?

At the moment Peter is work in Russia.

Does he gеtting a new car?

He never wear a hat.

УПРАЖНЕНИЕ 6. ПОСТАВЬТЕ ГЛАГОЛЫ, ДАННЫЕ В СКОБКАХ, В НУЖНОМ ВРЕМЕНИ.

My brother (talk) to Tom now.

Не (work) hard every day.

That girl (speak) English very well.

My friend (enjoy) hamburgers very much.

John and Frank (write) letters at this moment.

8 лет назад