Вправи: 350

350. Обчисліть:

1) 910 : 98 = 92 = 81;

2) 0,4170,414 = 0,417 : 0,414 = 0,43 = 0,064;

3) (–119)¹⁵ : (–119)¹³ = (–109)¹⁵ : (–109)¹³ = (–109)² = 10081 = 11981;

4) (113)12(113)8 = (43)12(43)8 = (43)⁴ = 25681 = 31381.