Вопрос школьника по предмету Математика
Никита задумал число, увеличил его в 3 раза отнял от результата 20 уменьши всё всё в 5 раз и получил 50.Какое число задумал Никита?
Ответ учителя по предмету Математика
Ответ:((х*3)-20):5=50
(3х-20)=250
3х=270
х=90
Пошаговое объяснение:
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