\(x:5=20\Rightarrow x=20\times5\Rightarrow x=100\)
\(x:5=20\Rightarrow x=20\times5\Rightarrow x=100\)
7/4 - x . 3/4 = 5/19
x : 5/4 = 5/19
[ x + 3/4 ] . 5/7 = 10/9
12/5 : x + 4/3 = 3 2/3
x. 4/5 : 2 = 6/7
x + 20/11.13 + 20/13.15 + 20/15 . 17 + ... + 20/53.55 = 2/4
Tìm X
X x 3+3/20+3/13+3/2013 : 5+5/20+5/13+5/2013=5/3
X x 3+3/20+3/13+3/2016/5+5/20+5/13+5/2016
1 x 3 x 5 + 2 x6 x10 + 4 x 12 x 20
1 x 5 x 7 + 2 x 10 x 14 + 4 x 20 x 28
Tìm X biết : X x \(\frac{3+\frac{3}{20}+\frac{3}{13}+\frac{3}{2013}}{5+\frac{5}{20}+\frac{5}{13}+\frac{5}{2013}}=\frac{5}{3}\)
Tính bằng cách thuận thuận tiện nhất:
1 giờ 20 phút x 5 + 20 phút x 5 + 1,5 phút x5
2*x+1/2*x + 6*x+1/6*x +12*x+1/12*x +20*x+1/20*x= 5.tìm x
Tìm x biết: x x 3 + 3/20 + 3/13 + 3/2013 = 5
5 + 5/20 + 5/13 + 5/2013 3
\(x+\frac{3+\frac{3}{20}+\frac{3}{13}+\frac{3}{2013}}{5+\frac{5}{20}+\frac{5}{13}+\frac{5}{2013}}=\frac{9}{2}\)
tìm x
2*x+1/2*x+6*x+1/6*x+12*x+1/12*x+20*x+1/20*x=5.Tim x