Răspuns:
d=[2⁹⁸•(2³•5)¹⁰²]: (16•5•2¹⁹⁸•25²⁵)²+3²+11•(1+2+3+...+1999)⁰
d=(2⁹⁸·2³ˣ¹⁰²·5¹⁰²):[2⁴·2¹⁹⁸·5·(5²)²⁵]²+3²+11•1
d=(2⁹⁸·2³⁰⁶·5¹⁰²):(2⁴⁺¹⁹⁸·5⁵⁰⁺¹)²+3²+11
d=(2⁹⁸⁺³⁰⁶·5¹⁰²):(2²⁰²·5⁵¹)²+3²+11
d=(2⁴⁰⁴·5¹⁰²):(2²⁰²ˣ²·5⁵¹ˣ²)+3²+11
d=(2⁴⁰⁴·5¹⁰²):(2⁴⁰⁴·5¹⁰²)+9+11
d=1+9+11
d=21
n⁰=1