Вопрос школьника по предмету Математика
на уборке урожая работало три бригады, одна из бригад собрала 234,6 кг яблок, 2 Бригада собрала яблок на 13,4 кг меньше, 3 Бригада собрала яблоко такое количество которое равно среднему арифметическому первых двух бригад. Сколько яблок собрали все три бригады вместе?
Ответ учителя по предмету Математика
1)234,6-13,4=221,2 (кг) яблок собрала 2 бригада
2)(234,6+221,2):2=227.9 (кг) собрала 3 бригада
3)234,6+221,2+227,9=683,7 (кг) собрали все три бригады вместе.
ответ:683,7 кг яблок.
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Last week my children suggested we should have a weekend break. After a few minutes on my computer I was able to book flightsand a hotel, then print out airline tickets and a hotel voucher.
18 Everything in less than half an hour.
Nothing__________________ surprising about that, you might say.
19 But then I suddenly remembered how things _____________ when I was a child.
20 If my parents wanted to go away they______________ use the Internet — because there was no Internet.
21 They ____________________
to phone a travel agent or drive into town and go to a travel agency. It’s the same thing with phones.
22 Once when I was a teenager I ______________ out with my friends and missed the last bus home.
23 Of course, none of_________________ had a mobile phone.
24 So we went hours ____________________ for a phone box so we could call for a taxi. Eventually, we managed to find one, but by then it was two in the morning. In those days mobile phones were an expensive luxury. Even if you had one, you were only able to use it in big cities because there was no signal in the countryside.
25 And they were huge — not much_______________ than a home brick.
26 I’m sure that in the future we____________________able to make them small enough to wear as a ring.
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