Істер алгебра 7 клас
Вправа 296
1) (–1)2 + (–2)3 – 82 = 1 – 8 – 64 = –71;
2) (33 – (–4)2) – 7 = (27 – 16) • 7 = 77.
Вправа 296
1) (–1)2 + (–2)3 – 82 = 1 – 8 – 64 = –71;
2) (33 – (–4)2) – 7 = (27 – 16) • 7 = 77.
