3/4 . 8/9 . 15/16 ... 9999/10000
3/4+8/9+15/16+...+9999//10000
tính A=3/4*8/9*15/16*....*9999/10000
tính 3/4 . 8/9 . 15/16 . .... 9999/10000
Tính
3/4 . 8/9 . 15/16 ... 9999/10000
3/4 * 8/9 * 15/16 * .........* 9999/10000
Cho C =3/4 + 8/9 + 15/16 +. . . + 9999/10000
CMR C >98
C = 3/4 + 8/9+ 15/16+....+ 9999/10000
Chứng minh rằng C > 98
Cho C = 3/4 + 8/9 + 15/16 + ..... + 9999/10000
CMR C >98