составь верные равенства с числами 480 60 360 80 420 6 70

перевести текст Summer is the best time of the year! You can swim and eat ice cream! Just grow a lot of fruits and berries. And it gets dark so late, that can be very long walk! And best of all, this is something that we should not go to school and do homework! I love summer! You can go somewhere abroad ... or to the country.Summer is very beautiful and can be found in the village, even a hedgehog!I love summer! Waiting for him at 9 months!

Преобразуйте в многочлен

(3x-4y)^2-(2x-7y)(4x+2y)

2x(2x+3)^2-(2x-3)(4x^2+6x=9)

Решите уравнения.

3^{x+2}+3^x=10