Các câu hỏi tương tự
Tìm M biết : (242/363 + 1616/2121) = 2/7 x M
242/363 + 1616/2121 = 2/7 nhân y
cứu vs=)
(242/363+1616/2121)=2/7*x
tìm y biết
242/363 + 1616/ 2121= 5/7 x y
Bài 2:Tìm y
a) 242/363 + 1616/2121 = 2/7 x y
b) (y + 1/4) + (y + 1/16) + (y + 1/16) =2
\(\left(\frac{242}{363}+\frac{1616}{2121}\right)=\frac{2}{7}\cdot\frac{2015}{A}\)Tìm A biết:
a, X-3/4-3/28-3/70-3/130-3/208= 1/6
b, (1/15+1/35+1/63)xX =1
C, 242/363+1616/2121=2/7xX
1111+1212+1313+1414+1515+1616 / 2020+2121+2222+2323+2424+2525 =?
1414+1515+1616+1717+1818+1919/2020+2121+2222+2323+2424+2525