= (245-256)+193 = -11 + 193 = 182
= (25-23) * (25² +25*23 + 23²)=
= 2 * (625 + 575 + 529)=
= 2 * (1200 + 529) = 2 * 1729 =
= 3458
= √(16*16) - 3*3 = 16 - 9 = 7
Пошаговое объяснение:
= (245-256)+193 = -11 + 193 = 182
25³-23³== (25-23) * (25² +25*23 + 23²)=
= 2 * (625 + 575 + 529)=
= 2 * (1200 + 529) = 2 * 1729 =
= 3458
√256 -3²== √(16*16) - 3*3 = 16 - 9 = 7
Пошаговое объяснение: