Răspuns :
5 * [100 - 6 * (60 - 15 * 3)] =
5 * [100 - 6 * (60 - 45)] =
5 * [100 - 6 * 15] =
5 * [100 - 90] =
5 * 10 =
50
5 * [100 - 6 * (60 - 45)] =
5 * [100 - 6 * 15] =
5 * [100 - 90] =
5 * 10 =
50