Tính B= 1\2+1\6+1\12+1\20+1\30+...+1\9900
Tính :
B= 1/2+1/6+1/12+1/20+1/30+....+1/9900
Tính:
1/2+1/6+1/12+1/20+1/30+...+1/9900
B=1/2+1/6+1/12+1/20+1/30+...+1/9900 = ?
Tính A=1+2+3+4+5+...+99+100
B=1/2+1/6+1/12+1/20+1/30+...+1/9900
tính A=1+2+3+4+5+...+99+100
B=1/2+1/6+1/12+1/20+1/30+...+1/9900
Tính:
A=1+2+3+4+5+...+99+100
B=1/2+1/6+1/12+1/20+1/30+...+1/9900
Mời các cao nhân
b=1-1/6-1/12-1/20-1/30-......-1/9900
1/2+1/6+1/12+1/20+1/30+...+1/9900
