Các câu hỏi tương tự
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256=a.
a bang bao nhieu?
Tinh nhanh
1/16 cong 1/32 cong 164 cong 1/128 cong 1/256 cong 1/512 cong 1/1024
Lam tung buoc ra nha thanks
1.Tinh tong 1+4+8+16+32+64+128
2.Chin so tu nhien lien tiep co tong bang 909 .Hoi so nho nhat bang bao nhieu?
C=3/2+3/4+3/8+3/16+...+3/128
D=1/2+1/4+1/8+...+1/1024
E=5/2+5/8+5/32+5/128+5/512+5/2048
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256 = ?
tính bằng cách thuận tiện nhất:
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
Tính nhanh:
A = \(\frac{1}{2}\)+ \(\frac{1}{4}\)+\(\frac{1}{8}\)+ \(\frac{1}{16}\)+\(\frac{1}{32}\)+\(\frac{1}{64}\)+\(\frac{1}{128}\)+\(\frac{1}{256}\)+\(\frac{1}{512}\)+\(\frac{1}{1024}\)
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256 =?
(ghi rõ cách giải)