Question

tính nhanh hộ mình câu này nha (có kèm bài làm , ai nhanh mình tick cho );

1/2+1/4+1/8+1/16+1/32+1/64

Answer 1

(1/2+1/8)+(1/4+1/16)+(1/8+1/32)+1/64

=1/10+1/20+1/40+1/64

=61/320

Answer 2

lấy 1/64 làm mẫu xố chung

1/64+2/64+4/64+8/64+12/64+32/64=59/64

Answer 3

MTC: 64

=> \(\frac{32}{64}+\frac{16}{64}+\frac{8}{64}+\frac{4}{64}+\frac{2}{64}+\frac{1}{64}\)

= \(\frac{63}{64}\)

Answer 4

\(\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{16}+\frac{1}{32}+\frac{1}{64}=\frac{32+16+8+4+2+1}{64}=\frac{63}{64}\)

Answer 5

63/64