5 dasawarsa - 4 windu = bulan

5 dasawarsa -4 windu = bulan
1 dasawarsa =10 tahun x 12 bulan = 120 bulan x5 = 600 bulan
1 windu = 8 bulan x 4 = 32 bulan

600-32= 568 bulan


semoga benar

5 dasawarsa : 5 X 10 = 50

4 windu : 4 X 8 = 32

5 dasawarsa +4 windu =82