Tính A = (100 – 1) . (100 – 2) . . . . . (100 – 99) . (100 – 100)
Tính A = (100 – 1) . (100 – 2) . . . . . (100 – 99) . (100 – 100)
A = (100 – 1) . (100 – 2) . . . . . (100 – 99) . (100 – 100)
A = 99.98…1.0
A = 0.