CM: 1/2-1/4+1/8-1/16+1/32-1/64<1/3
chứng minh 1/2 - 1/4 + 1/8 - 1/16 + 1/32 - 1/64 < 1/3
Chứng minh 1/2 + 1/4 + 1/8 + 1/16+ 1/32 + 1/64 < 1/3
Chứng minh: ( 2x + 3y ) Chia hết cho 17 ki và chỉ khi ( 9x + 5y) chia hết cho 17
Cm:\(y=\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{16}+\frac{1}{32}+\frac{1}{64}<\frac{1}{3}\)
chứng minh 1/2-1/4+1/8-1/16+1/32-1/64<1/3
1/2-1/4+1/8-1/16+1/32-1/64 < 1/3
CMR: 1/2-1/4+1/8-1/16+1/32-1/64<1/3
CMR:1/2-1/4+1/8-1/16+1/32-1/64 < 1/3
CMR 1/2-1/4+1/8-1/16+1/32-1/64<1/3
CMR
1/2-1/4+1/8-1/16+1/32-1/64<1/3
1/3-2/3^2+3/3^3+4/3^4+...+99/3^99<3/16