1+1/3+1/9+1/27+1/81+1/243+1/729
=1+243/729+81/729+27/729+9/729+3/729+1/729
=1+364/729
=1075/729
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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
1+1/3+1/9+1/27+1/81+1/243+1/729
NC
3 tháng 8 2023 lúc 12:40
B = 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+1/3+1/9+1/27+1/81+1/243+1/729 = ?
A = 1/3 + 1/9 + 1/27 + 1/81 + 1/243 + 1/729 = ?