Các câu hỏi tương tự
1/1x3+1/3x5+1/5x7+.......+1/99x101
(1+1/1x3)x(1+1/2x4)x(1+1/3x5)x...x(1+1/99x101)
A=(1+1/1x3)x(1+1/2x4)x(1+1/3x5)x...x(1+1/99x101)
1x3/3x5 + 2x4/5x7 + 3x5/7x9 + ............... +49x51/99x101
1x3/3x5 + 2x3/5x7 + 3x5/7x9 + ............... +49x51/99x101
a)1/5x6+1/6x7+1/7x8+...1/49x50
b)2/1x3+2/3x5+2/5x7+...+2/99x101
1x3+3x5+5x7+...+99x101
4/1x3+4/3x5+..............+9/99x101
2/1x3+2/3x5+2/5x7+....2/99x101