Răspuns:
a) [(3⁷·3⁸-1):(27⁵-1)]⁴={(3¹⁵-1):[(3³)⁵-1)]}⁴=[(3¹⁵-1):(3¹⁵-1)]⁴=1⁴=1
b) ={[(72-24+42):5+9]:9-(42-4-36)]}¹⁰⁰=
[(90:5+9):9-2]¹⁰⁰=[(18+9):9-2]¹⁰⁰=(3-2)¹⁰⁰=1¹⁰⁰=1
c) =10·[3+(6+4)·[362+10·(24+6)]=
10·[(3+10)·(362+10·30)]=
10·(13·662)=
10·8606=
86060
