336:(7la2+0la7-5la2)

Răspuns :

336:(7²+0⁷-5²)=
=
336:(49+0-25)=
=336:24=14


125⁴²:25⁶³=
=(5³)⁴²:(5²)⁶³=
=5¹²⁶:  5¹²⁶=
=5¹²⁶⁻¹²⁶=5⁰=1


16⁴*4¹⁰*64⁵=
=(2⁴)⁴*(2²)¹⁰*(2⁶)⁵=
=2¹⁶*2²⁰*2³⁰=2¹⁶⁺²⁰⁺³⁰=2⁶⁶
336:(49 + 0 - 25)
=336:(49-25)
=336:24
=14