Вопрос школьника по предмету Математика
В двух Ящиках было по одинаковому число яиц. После того как из первого ящика взяли 15 яиц а из второго 45 в первом ящике осталось в три раза больше чем во втором Сколько яиц предварительно было в обоих ящиках
Ответ учителя по предмету Математика
Х-15=3*(х-45)
х-15=3х-135
3х-х=135-15
2х=120
х=120:2
х=60
Ответ: по 60 яиц
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‘So what did you do next?’ asked Holmes. ‘Nothing,’ answered Openshaw. He put his head in his hands. ‘I don’t know what to do. I’m afraid.’ ‘Nothing?’ cried Holmes. ‘Young man, you must do something fast. You’re in danger!’ ‘Well,’ I’ve talked to the police,’ said Openshaw unhappily. ‘But they laughed at me. They think that there’s nothing to worry about.’ ‘How stupid they are!’ cried Holmes. ‘And why didn’t you come to me immediately? Your enemies have had almost two days to make a plan. Haven’t you found anything which will help us?’ ‘Well, I found this in the locked room,’ said John Openshaw. He showed us a small, half-burnt piece of paper. ‘It was with my uncle’s papers. It’s his writing. Look, it says: