Các câu hỏi tương tự
1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90+1/10
1/90-1/72-1/56-1/42-1/30-1/20-1/12-1/6-1/2
1/2 + 1/6 + 1/12 + 1/20 + 1/30 + 1/42 + 1/56 + 1/72 + 1/90
Tinh hon so sau :
1 1/2 +2 1/6 + 3 1/12 + 4 1/20 + 5 1/30 + 6 1/42 + 7 1/56 + 8 1/72 +9 1/90 +1/10
tính
B= 1/6 +1/20+ 1/30 +1/42 +1/56 +1/72 +1/90
a) 1/2+1/3+1/4+1/5+...+1/9+1/10
b) 1/12+1/20+1/30+1/42+1/56+1/72+1/90
1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90
cac ban giup mik voi
1/2+1/6+1/12+1/20+1/30+1/42+1/56 +1/72+1/90+? các bạn gi cách giải cho mình nhé.mình k cho
tính nhanh
1/6 + 1/12 + 1/20 + 1/30 + 1/42 + 1/56 + 1/72 + 1/90