Предмет: Математика, автор: ПлюшеваяЛапочка

Умные люди, пожалуйста помогите!!!! Доверяюсь вам! Решите пожалуйста эти 3 задачки с %!!!! Мне реально быстро надо! Зависит оценка в триместре! Сжальтесь и помогите!!!!!

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Ответы

Автор ответа: MrWarpnes
0
1)400/100=4
4*15=60 (увеличили на 15%) 
400+60=460
460/100=4.6
4.6*10=46
460+46=506
Автор ответа: MrWarpnes
0
1620
Автор ответа: MrWarpnes
0
ответ на 3 мы (4 + 2)*3=18
Автор ответа: ПлюшеваяЛапочка
0
А во 2 что?
Автор ответа: MrWarpnes
0
а того же корма хватило бы на 480 коров на 1 месяц, а 480 делим на 24 и получаем на 20 месяцев, хватит на 24 коровы (за это в принципе не ручаюсь может и не правильно ) и да 3 можно решить просто перебирая все числа !!!
Автор ответа: ПлюшеваяЛапочка
0
Спасибо
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