Các câu hỏi tương tự
lam vay co duoc ko
1/2+1/4+1/8+... +1/512+1/1024=1-1/2+1/2-1/4+...+1/512-1/1024=1-1/1024=1/1023
tính T=1-1/2+1-1/4+1-1/8+...+1-1/512+1-1/1024
giúp mk với ạ
1/2+1/4+1/8+...+1/512+1/1024
1/2+=1/4+1/8+1/16+...+1/512+1/1024
Tính A= \(\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+...........+\frac{1}{512}+\frac{1}{1024}\)
1/2+1/4+1/8+...+1/512+1/1024
Tính nhanh :
\(\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{16}+...+\frac{1}{512}+\frac{1}{1024}\)
tính nhanh ;
1234.5678.(630 -315) :1996
319.45+ 55.319 /1995.1996 -1991.1995
1988.1996+1997.11+1985 /1997.1996-1995.1996
(1+2+4+8+.....+512) .(101.102-101.101-50-51) /2+4+6+8+16+....+1024+2048
(1+2+4+8+....+512).(135135.246-246246.135)/2+4+8+16+....+1024+2048
Chứng minh:1/2-1/4+1/8-1/16+1/32-1/64+1/128-1/256+1/512-1/1024<1/3