Помогите пожалуйста,Цена 1 кг масла-m.p.,а 1 кг творога-t p.Запишите в виде выражений!a)стоимость 3 кг масла;б)стоимость 2 кг творога;в)стоимость 3 кг масла и 2 кг творога вместе

tg^2x+ctg^2x=16*cos2x

It's winter.It's cold and snowv.The Donkey is sad."I don't like winter because I haven't got any green grass.I can't walk in the park.In spring I will walk and play with children,"says the Donkey. Spring comes.It's warm and sunny.Now the Donkey is in the park.He has got a lot of green grass to eat.But he is sad again."I don't like spring!The children are very hoisy in the park.In summer I will dive and swim,"says the Donkey .

как решить уравнение    15+25x-g

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