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Các câu hỏi tương tự
Cho A= 1/2+1/3+1/4+1/5+...+1/308+1/309
B=308/1+307/2+306/3+305/4+...+3/306+2/307+1/308
Tính A/B
Cho A = 1/2 + 1/3 + 1/4 + 1/5 + ............ + 1/308 + 1/309
B = 308/1 + 307/2 + 306/3 + ................... + 3/306 + 2/207 + 1/308
Tính A/B
Cho:
A=1/2+1/3+1/4+1/5+...+1/308+1/309
B=308/1+307/2+306/3+...+3/306+2/307+1/308
Tính A/B ? ( Có cách làm )
Tính A= 1/2+1/3+1/4+1/5+.....+1/308+1/309
cho A=1/2+1/3+1/4+...+1/308+1/309
B=308/1+307/2+306/3+...+3/306+2/307+1/308
tim A/B
A=1/2+1/3+1/4+...+1/308+1/309
B=308/1+307/2+306/3+...+3/306+2/307+1/308
Tính A/B.
bài 1:A= 1/2+1/3+1/4+...+1/308+1/309
B= 309/1+308/2+307/3+...+1/309
tính A/B
bài 2: G=5/3+8/32+11/32+...+302/3100
bài 3: cho A= 2/3+8/9+26/27+...+3n-1/3n
chứng minh A>n-1/2
A=1/2+1/3+1/4+...+1/309
B=308/1+307/1+...+1/308
Tính A/B
Cho A= 1/2+1/3+1/4+...+1/308+1/309
B= 308/1+307/2+...+2/307+1/308
Tính A/B