Các câu hỏi tương tự
1/3 + 1/6 + 1/12 + 1/24 + 1/48 + 1/96 + 1/192 + 1/384 =
Tính tổng :
a, 1/6 + 1/12 + 1/24 + 1/48 + 1/96 + 1/192 + 1/ 384
b, 1/4x7 + 1/7x10 + 1/10x13 +...........+ 1/19x22
1/3+1/6+1/12+1/24+1/48+1/96
Tính nhanh 1/3+ 1/6 + 1/12 + 1/24 +1/48+ 1/96 =
A=1/3+1/6+1/12+1/24+1/48+1/96+1/192
| 12 | ? |
|---|---|
| 24 | 6 |
| 48 | 12 |
| 96 | 24 |
| 192 | 48 |
Tính nhanh:1995x1997-1/1996x1995+1994 5392+6001x5391/5392x6001-69
(1-1/2 )x(1-1/3)x(1-1/4 ) x...x(1/100)
2/3+2/6+2/12+2/24+2/48+2/96
tim 1 phan so toi gian co tu so la 3 biet khi cong 1 vao tu so cua phan so do va giu nguyen mau so ta se duoc phan so moi co gia tri bang 1 phan2
Tính : A = 1/3 + 1/6 + 1/12 + 1/24 + ...+ 1/192 + 1/384