Tuyển Cộng tác viên Hoc24 nhiệm kì 26 tại đây: https://forms.gle/dK3zGK3LHFrgvTkJ6
Tính:B=1/10+1/15+1/21+....+1/120
1/10+1/15+1/21+...+1/120 = ?
1/10+1/15+1/21+......+1/120 = ?
1/10+1/15+1/21+...+1/120
A= 1/10 + 1/15 + 1/21 + ........+ 1/120
1/10+1/15+1/21+...+1/120
c=1/10+1/15+1/21+...+1/120 = ?
x– 1/10 − 1/15 − 1/21 − ⋯ − 1/120 = 3/8
1 Tính: A=1/10+1/15+1/21/+......+1/120
tính S=1/10+1/15+1/21+1/28+.....+1/120