3/15+3/35+3/63+.....+3/9603
=3/3.5+3/5.7+3/7.9+.....+3/97.99
=5-3/3.5+7-5/5.7+9-7/7.9+.....+99-97/97.99
=5/3.5-3/3.5+7/5.7-5/5.7+9/7.9-7/7.9+.....+99/97.99-97/97.99
=1/3-1/5+1/5-1/7+1/7-1/9+.....+1/97-1/99
=1/3-1/99
=32/99
3/15+3/35+3/63+.....+3/9603 = ?
3/15+3/35+3/63+...+3/9603 = ?
S=2/3+2/15+2/35+2/63+2/99+...+2/9603 hay so sanh voi 1
tính
1/3+13/15+33/35+61/63+...+9601/9603+9997/9999
tl nhanh jup mik, đag cần gấp
jup mik nha
Tính tổng:
1/15+1/35+1/63+1/99+1/143
1/5*9+1/9.13+1/13*17+...+1/25*29
2/15+3/15+2/63+...+2/9603
mơn mọi người
Tính nhanh:2/15+2/35+2/63+.....+2/9603=?
jup mik câu này với
Tính Tổng:
2/15+3/15+2/63+...+2/9603
Tính A
A= 4/3 + 16/15 + 36/35 + ..... +9604/9603
Tính A
A= 4/3 + 16/15 + 36/35 + ..... +9604/9603