Răspuns :
4⁻² * 16² 1/4² * (4²)² 1/4² * 4⁴ 4² (2²)² 2⁴
________ = ___________ = ________ =_____ = _____ = ____ = 2
2³ 2³ 2³ 2³ 2³ 2³
________ = ___________ = ________ =_____ = _____ = ____ = 2
2³ 2³ 2³ 2³ 2³ 2³