Tuyển Cộng tác viên Hoc24 nhiệm kì 26 tại đây: https://forms.gle/dK3zGK3LHFrgvTkJ6
1/3+1/9+1/27+1/81+1/243+1/729
1/3 + 1/9 + 1/27+1/81 + 1/243+ 1/729.
1/3+1/9+1/27+1/81+1/243+1/729 =?
1/3+1/9+1/27+1/81+1/243+1/729
1/3 +1/9 + 1/27 + 1/81 + 1/243 + 1/729 + 1/2187 =?
Tính nhanh : 1/3 + 1/9 + 1/27 + 1/81 + 1/243 + 1/729
1/3+1/9+1/27+1/81+1/243+1/729
Tính nhanh:
1 + 1/3 + 1/9 + 1/27 + 1/81 + 1/243 + 1/729
1+ 1 /3+1/9+1/27+1/81+1/243+1/729.
