1/2+1/4+1/8+1/16+...+1/256+1/512
1/2+1/4+1/8+1/16+........+1/256+1/512
1/2+1/4+1/8+1/16+......+/256+1/512
1/2+1/4+1/8+1/16+......+1/256+1/512
TÝnh nhanh
tính nhanh
1/2+1/4+1/8+1/16+.......+1/256+1/512
Kết quả của dãy tính:
1/2 + 1/4 + 1/8 + 1/16 + … 1/256 + 1/512 bằng…
1/2 + 1/4 + 1/8 + 1/16 + 1/32 + 1/64 + 1/128 + 1/256 + 1/512
Tính nhanh : 1+1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+/1024