Các câu hỏi tương tự
B = 1/35 + 1/63 + 1/99 + 1/143 + 1/195 + 1/255
A = 1/3+1/15+1/35+1/63+1/99+1/143+1/195=?
1 / 3 + 1 /15 + 1/ 35 + 1 / 63 + 1 / 99 + 1 / 143 + 1 / 195
thực hiện phép tính
\(\frac{1}{3}+\frac{1}{15}+\frac{1}{35}+\frac{1}{63}+\frac{1}{99}+\frac{1}{143}+\frac{1}{195}\)
A=1/15+1/35+1/63+1/99+1/143+1/195+1/255+1/323
NHỚ CÓ CÁCH LÀM NHA ! AI LÀM ĐÚNG MÌNH TICK CHO
tìm x
\(\left(\frac{1}{15}+\frac{1}{35}+\frac{1}{63}+\frac{1}{99}+\frac{1}{143}+\frac{1}{195}\right)+x=1\frac{2}{15}\)
Tính :
a) ( 1 + 3 + 5 + 7 + ....... + 2007 + 2009 + 2011 ) x ( 125125 x 127 - 127127 x 125 )
b) \(\frac{1}{3}+\frac{1}{15}+\frac{1}{35}+\frac{1}{63}+\frac{1}{99}+\frac{1}{143}+\frac{1}{195}\)
1/3+1/15+1/35+1/63+1/99+1/143
Tính:
a) 1/15+135+1/63+1/99+1/143+1/195+1/255+1/323
b) 1/2 x 6+1/4 x 9+ 1/ 6 x12 +.............. + 1/36 x 37+1/ 38 x 60