When Sophie enters the living room, she finds Akari and Hinata staring tired and defeated at the table.
She then finds out that summer break is almost over, yet almost none of their homework is finished, 
which is why the two of them are doing a homework marathon.
Then, with progress already being slow, Erie makes an appearance.
She suggests that she could help with the homework, however...
This problem is just an application of
that other one, so it should be easy.
،هذه المسألة مجرّد تطبيق للأخرى
.لذا يُجدر أن تكون سهلة
En este problema usamos
el concepto de antes, es fácil.
En este problema usamos
el concepto de antes, es fácil.
Cet exo-là porte sur ce qu’on vient
de voir, il sera facile.
In questo problema
Esta questão, com o mesmo conceito
que usamos há pouco, vai ser fácil.
Этот вопрос прямо как прошлый, 
так что будет легко.