Các câu hỏi tương tự
( 1/1*2 + 1/3*4 + 1/5*6 +........+ 1/49*50 ) : ( 1/26 + 1/27 + 1/28 +.......+ 1/50 )
C/m : 1/26+1/27+1/28+...+1/50=1-1/2+1/3-1/4+...+1/49-1/50
Chứng Minh Rằng :1/26+1/27+1/28+...+1/50=1-1/2+1/3-1/4+...+1/49-1/50
Chứng minh rằng: 1/26+1/27+1/28+...+1/50=1-1/2+1/3+1/4+...+1/49-1/50
Chứng minh 1/2+1/3×4+1/5×6+...+1/49×50=1/26+1/27+....+1/50
chứng tỏ
1/26 + 1/27 + 1/28 + ... + 1/50 =1 - 1/2 + 1/3 - 1/4 + .... + 1/49 - 1/50
Chứng minh rằng : 1/26+1/27+1/28+.......+1/50=1-1/2+1/3-1/4+.....+1/49-
1/50
Chứng minh rằng:
1/26+1/27+1/28+...+1/50=1-1/2+1/3-1/4+...+1/49-1/50
A = 1/26 + 1/27 + 1/28 +...+ 1/50 = 1 - 1/2 + 1/3 - 1/4 +...+ 1/49 - 1/50
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