333...33(2000个)=111...11(2000个)×3
111.11(2000个)222.(2000个)333...33(2000个)÷111.11(2000个)
=10.00(1999个)20.00(1999个)3
10.00(1999个)20.00(1999个)3÷3
=3...33(1999个)40...00(1999个)1
∴3×1999+4+1=6002
333...33(2000个)=111...11(2000个)×3
111.11(2000个)222.(2000个)333...33(2000个)÷111.11(2000个)
=10.00(1999个)20.00(1999个)3
10.00(1999个)20.00(1999个)3÷3
=3...33(1999个)40...00(1999个)1
∴3×1999+4+1=6002