Вправа 156 алгебра Бевз гдз 7 клас

№ 156

1. a) (–6)²¹ (–6)² < (–6)³⁰; (–6)²³ < (–6)³⁰;
   б) (–4)¹² : (–4)⁷ < (–4)¹⁶; (–4)⁵ < (–4)¹⁶;
   в) (–12)⁹ • (–2)¹⁵ > (–2)¹⁵;
   г) (–5)⁶ • (–5)⁵ < (–5) : (–2);