8 tháng 6 2021 lúc 15:39
Các câu hỏi tương tự
\(\frac{72+36\times2+24\times3+18\times4+12\times6+168}{2+2+4+6+...+512+1024}\)
Các bạn giúp mình và ghi đầy đủ cách giải nhé !
A=\(\dfrac{1}{2}\)+\(\dfrac{1}{4}\)+\(\dfrac{1}{8}\)+....+\(\dfrac{1}{512}\)+\(\dfrac{1}{1024}\)
tính nhanh \(\dfrac{1}{2}\) +\(\dfrac{1}{4}\) +\(\dfrac{1}{8}\)+\(\dfrac{1}{16}\) +.....+\(\dfrac{1}{512}\) +\(\dfrac{1}{1024}\)
A.frac{2004x2005+2006x6-6}{2005x1997+4x2005} frac{1999x2000+2001x5-5}{504x2000+500x2000}B.frac{2003x4+1998+2001x2002}{2002+2002x502+500x2002} frac{2000x4+1995+2001x1995}{1995x495+1995x5+1995x3}C.frac{72:2x574+286x2x64}{4+4+8+12+20+...+220} frac{72+36x2+24x3+18x4+12x6+168}{2+2+4+6+...+512+1024}
Đọc tiếp
A.\(\frac{2004x2005+2006x6-6}{2005x1997+4x2005}\) \(\frac{1999x2000+2001x5-5}{504x2000+500x2000}\)
B.\(\frac{2003x4+1998+2001x2002}{2002+2002x502+500x2002}\) \(\frac{2000x4+1995+2001x1995}{1995x495+1995x5+1995x3}\)
C.\(\frac{72:2x574+286x2x64}{4+4+8+12+20+...+220}\) \(\frac{72+36x2+24x3+18x4+12x6+168}{2+2+4+6+...+512+1024}\)
tính tổng 2+2+4+6+...+512+1024
S=\(\dfrac{1}{2}\)+\(\dfrac{1}{4}\)+\(\dfrac{1}{8}\)+\(\dfrac{1}{16}\)+\(\dfrac{1}{32}\)+\(\dfrac{1}{64}\)+\(\dfrac{1}{128}\)+\(\dfrac{1}{256}\)+\(\dfrac{1}{512}\)+\(\dfrac{1}{1024}\)
a) 2+4+8+16+32+64+128+256+512+1024+2048
b) \(\frac{\left(2+4+6+8+...+1000\right)nhan10}{2+4+8+16+...+512-2}\)
2 + 4 + 8 + 16 + ... + 512 + 1024
1/2+1/4+1/8+...+1/512+1/1024