解ける

この問題はなかなか解けない。

This problem is not easily solved.

そんな難しい問題が、子供に解けるわけがない。

There is no way a child can solve such a difficult problem.

この問題は、案外簡単に解けた。

This problem was surprisingly easy to solve.

この問題は容易に解ける。

This problem can be solved easily.

ああ、そういうことか。やっと謎が解けた。

Ah, I see. Finally, the mystery is solved.

長年解けなかった難問の答えが、散歩中にふと閃いた。

The answer to a difficult problem I couldn't solve for years suddenly flashed into my mind during a walk.

その問題なら秒で解けるよ。

I can solve that problem in a second.

数学の試験で、誰も解けないような難問が出題された。

A difficult problem that no one could solve appeared in the math exam.

この問題は、小学生でも解けるほどカンタンだ。

This problem is so easy that even an elementary school student can solve it.