дифференциальое уравнение1-4 класс
найти частное решение дифференциального уравнения ху'=х+у, если у= +1 при х=1
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решить уравнение по теореме Виета
решите уравнение 12x+6=-4x-10
решите уравнение 10y+6=2+7y+3+3y
решите уравнение 2-(5+8t)=3t-8t
найдите корень уравнения -5(2z+1)=(4-3z)умножить на 2
Помогите решить систему уравнений!)
Сколько человек было в музее во вторник,если в среду в музей пришли 125 челолвек, в четверг - 157, а в пятницу - 118?
2. От куска провода отрезали 7м, и в нем осталось на 4м меньше, чем отрезали. Какой длины был провод?
Объясни, что обозначают выражения x-7 и 7-4. Это поможет тебе составить уравнение. Реши задачу по действиям.
х во второй степени -4х-5=0 ?
№2 решите уравнение
№5 Рещите задачу с помощью уравнения
Брат в 2 раза старше сестры . Сколько лет сестре и сколько лет брату если вместе им 24 года ?
№6 Решите уранение
№7 Выразите из данного равенства каждую переменную через другие
3(х - у)=-z
№8 Решите задачу
В классе 25 детей .При посадке деревьев в школьном саду каждая девочка посадила по 2 дерева а каждый мальчик по 3 дерева . Всего было посажено 63 дерева . Сколько девочек в классе ?