Các câu hỏi tương tự
B =1/6+1/66+1/176+1/336+.........+1/496+501 giúp mk nha
Tính A= 1/20+1/30+1/42+1/56+...+1/990
Tính S= 1/6+1/66+1/176+1/336+...+1/496*501
So sánh A và B :
A=2016^2016+2/2016^2016-1 và B=2016^2016/2016^2016-3
1/1*6+1/6*11+1/11*6+1/11*16+......1/491*496+1/496*501
1/6+1/66+1/176+1/336+...+1/496.501
Giải biểu thức sau:
(1/7+1/91+1/24+1/475).25/24.x+30%=1/2
(1/6+1/66+1/176+1/336+1/546).26/25.x+30%=1/2
tính tổng :1/6+1/66+1/176+1/336+...+1/496.501
Tính nhanh : B=1/6+1/66+1/176+1/336+...+1/496.501
Giúp mình vs nha
a,3/12*2+3/3*20+3/4*30+...+3/97*9702
b,1/1*6+1/6*11+...+1/491+496+1/496*501
c,1/1*2+1/2*3+1/3*4+...+1/199*200
d,2/1*2+2/2*3+2/3*4+...+2/2015*2016
e,1+1/3+1/6+...+1/495
Tinh nhanh:
B=1/6+1/66+1/176+1/336+.....+1/496.501